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Tools/Maintenance

Park Tool PK-5 Professional Tool Kit
$799.95
The PK-5 includes over 90 of our best shop tools selected with versatility in mind. A great way to outfit a pro bench or to set up a dream home workshop. The PK-5 is an impressive, professional set of specialty tools that can help you perform hundreds of bicycle repair and maintenance procedures. An investment you'll use and appreciate for decades. Kit Includes: - ATD-1.2 Adjustable Torque Driver - AWS-1 Three-Way Hex Wrench Set: 4, 5, 6mm - AWS-3 Three-Way Hex Wrench Set: 2, 2.5, 3mm - BBT-10.2 Adjusting Cap Tool: For 8-Spline Hollowtech II - BBT-22 Bottom Bracket Tool - BBT-69.2 Bottom Bracket Tool - BO-2 Bottle Opener - CBW-1 Open End Wrench: 8/10mm - CBW-4 Open End Wrench: 9/11mm - CC-4 Chain Checker - CN-10 Professional Cable and Housing Cutter - CNW-2 Chainring Nut Wrench - CP-1.2 Cassette Pliers - CT-3.3 Chain Tool - CWP-7 Compact Universal Crank Puller - DAG-2.2 Derailleur Hanger Alignment Gauge - DH-1 Dummy Hub - DP-2 Threaded Dummy Pedal - DSD-2 Derailleur Screwdriver: Cross Tip - DSD-4 Derailleur Screwdriver: Flat Blade - DT-2 Rotor Truing Fork - FR-5.2H Cassette Lockring Tool with Handle - GSC-1 GearClean Brush - HMR-8 8 oz. Shop Hammer - HXS-1.2 Hex Wrench Set - MLP-1.2 Master Link Pliers - NP-6 Needle Nose Pliers - PAW-6 6" Adjustable Wrench - PH-1.2 P-Handle Hex Wrench Set - PW-4 Professional Pedal Wrench - RR-12 Tape Measure - SBC-1 Spoke, Bearing and Cotter Gauge - SBS-1.2 Socket and Bit Set - SCW-13 13mm Shop Cone Wrench - SCW-14 14mm Shop Cone Wrench - SCW-15 15mm Shop Cone Wrench - SCW-16 16mm Shop Cone Wrench - SCW-17 17mm Shop Cone Wrench - SCW-18 18mm Shop Cone Wrench - SCW-19 19mm Shop Cone Wrench - SP-7 Side Cutter Pliers - SW-0 Precision Spoke Wrench: .127" - SW-2 Precision Spoke Wrench: .136" - SWR-8 3/8" Drive Ratchet Handle - SZR-1 Shop Scissors - TL-1.2 Tire Lever Set - TL-4.2 Tire Lever Set - TL-6.2 Steel Core Tire Levers - TWS-1 Torx Compatible Wrench Set - UP-SET Utility Pick Set - VC-1 Valve Core Tool - ZP-5 5" Flush Cut Pliers
Park Tool Head Tube Reaming and Facing Set
$527.95
Proper frame preparation is very important. Park Tool's Head Tube Reaming and Facing Set combines reaming and facing of the head tube to create a perfect fit for most sizes of head cups. Includes: • 30.1 mm reamer (part #751.2) and four different size pilots (29.8mm, 30.0mm, 33.8mm, and 36.8mm) • 690 facer • Quick-release, quick-adjust feature: bottom portion slides off and on easily without threading SHIS terminology: The HTR-1 as stock will face frames of EC29, EC30, EC34 and EC37. It will ream frames of EC30. Accessories will allow service in other standards.
Park Tool Crown Race Cutting Tool
$515.95
To ensure proper headset performance and longevity, special attention must be given to accurately machine the fork’s crown race seat. Park Tool's Crown Race Cutting Tool is a professional-quality machining tool for milling both the outer edge and lower surfaces of the crown race seat. • Includes high speed steel cutters and adjustable collets to machine 26.5mm and 27.1mm crown race seats on 1” forks and 30.1mm crown race seats on 1-1/8" forks • Unique adjusting system allows a tight fit of the tool on any fork, threaded or unthreaded (even forks with externally butted steerer tubes), ensuring a smooth, accurate cut and proper alignment of the fork in the frame • Cutter sized for 1-inch standard is part #845 (sold separately) • Cutter for 1-1/8 inch standard is #846 (sold separately)
Park Tool Disc Brake Mount Facing Set
$465.95
The DT-5.2 is engineered and built to accurately face front or rear disc brake mounts so they are precisely aligned to the rotor. - Faces any IS Mount, Post Mount, or new Shimano Flat Mount, including low clearance, chainstay mounts - Telescoping axle adaptors allow use with any configuration of open or thru-axle dropouts and dropout widths (including Boost 110, Boost 148 and all fat bike axles) - Includes two facing cutters: IS Mounts Post and Flat Mounts - Includes storage case
Park Tool Professional Wheel Truing Stand
$412.96
The next generation of wheel truing stands! The TS-4 is made to accurately gauge any size wheel, with or without the tire installed. The TS-4 has many of the same features as Park Tool's famous TS-2.2 with some additional attributes to accommodate today’s wide variety of hub, wheel and tire combinations. - Both uprights move simultaneously to always keep wheel centered in the stand. - Accommodates axle widths from 75mm to 215mm - Direct action caliper arm adjusts to work with wheel sizes from 16" to 29"+ - Accommodates tire widths up to 5" with or without brake rotor mounted - Machined, welded, assembled and calibrated in our factory in St. Paul, MN - Precise accuracy, operation and adjustability - Built in thru-axle adaptors - Chrome plated and powder coated heavy gauge steel construction - Removable, replaceable nylon caliper tips to protect painted/anodized rims - Dial Indicator compatible (TS-2Di) (Sold separately) - Rotor gauge compatible (DT-3 & DT-3i.2) (Sold separately)
Park Tool 49.59mm Head Tube Reamer & Facer for 1.5-Inch Headset Standard
$407.94
The Park Tool 758.2 will ream and face the head tubes of bike using the 1.5" standard. The 758.2 is designed for use with the Park Tool HTR-1 or HTR-1B Headtube Facer and Reamer. Must also be used with the 750.2 Centering Cone Adaptor.
Park Tool Trailhead Workstation
$399.95
A versatile repair center designed and built specially for the harsh conditions of the outdoors. The THS-1 can be bolted directly to an existing post, permanent structure or to the THP-1 Post (available separately). The weather-proof stand includes eight carefully chosen tools capable of helping with a wide variety of minor repairs and adjustments. The THS-1 also features an integrated, super stout cradle stand that gets both wheels off the ground making any job easier. A great addition to any trailhead, park, corporate campus, apartment building, school, bike shop or anywhere riders may need some help to get back on their bikes. Features: - All steel construction, plated then powder coated to withstand the elements - Tamper proof assembly fasteners - Includes eight tools specialty treated to increase durability outdoors and securely mounted on 1/8" galvanized, vinyl coated cable - 1.5-inch (3.8cm) tubular support arms, plated and powder coated, soft touch covers - Mounts to any post or flat surface (mounting fasteners not included) - Dimensions of tool box: 12.2 x 8.7 x 2.6-inch (31 x 22 x 6.6cm) - Tubes extend 17-inches (43cm) from mounting surface
Park Tool Bottom Bracket Facing Set
$385.95
Park Tool's Bottom Bracket Facing Set is designed to be a complete self-contained facing set, combining top-quality precision parts with ease of use. Simply install the threaded inserts using the facer handle, then insert the facing tool through the guides and install the tension spring and speed nut. After applying a liberal amount of cutting oil, the BFS-1 easily cuts the shell material, giving you a clean, faced surface. Now you're ready to install the bottom bracket. The English threading inserts are included. The Italian threading (36 x 24) inserts are available as an accessory, as part #688. Two are required.
Quarq ShockWiz Direct Mount
$379.00
ShockWiz is a suspension tuning system for air-sprung mountain bikes that combines high-tech hardware with an intuitive smartphone app. Lightweight, durable and powered by a long-lasting coin cell battery, ShockWiz automatically records and evaluates suspension performance every time you ride. The ShockWiz app displays straightforward adjustments that unite bike, terrain and riding style. ShockWiz works for all mountain bike riders, regardless of their experience or bike's intended use. It works on hardtail and dual suspension bikes, and for all levels of skill, speed and terrain. With ShockWiz, you know exactly how your suspension is performing – and how to make it better. The Direct Mount version is for inverted forks such as the RockShox RS-1. Features & Benefits: - Automated tuning recommendations. - Shock tuning score - a snapshot of how well your suspension is set up for you. - Works on hardtail and dual suspension bikes. Works for Cross-Country, Trail, All Mountain and Downhill. - Inexpensive, replaceable CR2032 battery lasts for months. - Waterproof and dustproof - IP67 rating. - Two alternative hoses (included) offer a range of fitting options. - Smartphone app is compatible with Apple and Android phones. Essential Details: - ShockWiz is designed for all mountain bike riders, regardless of your experience or bike's intended use. - You can tune for every riding style: Efficient (pedaling), Balanced, Playful or Aggressive. - Advice for air pressure, spring rate, compression and rebound is displayed in the intuitive smartphone app. - In the box: ShockWiz hardware, two hoses, adapter for conventional forks and rear shocks, rubber mounting boot and zip ties.
Quarq ShockWiz
$329.00
ShockWiz is a suspension tuning system for air-sprung mountain bikes that combines high-tech hardware with an intuitive smartphone app. It's lightweight, durable and powered by a long-lasting coin cell battery, ShockWiz automatically records and evaluates suspension performance every time you ride. The ShockWiz app displays straightforward adjustments that unite bike, terrain and riding style. ShockWiz works for all mountain bike riders, regardless of their experience or bike's intended use. It works on hardtail and dual suspension bikes, and for all levels of skill, speed, and terrain. With ShockWiz, you know exactly how your suspension is performing – and how to make it better. Features & Benefits: - Automated tuning recommendations - Shock tuning score - a snapshot of how well your suspension is set up for you - Works on hardtail and dual suspension bikes. Works for Cross-Country, Trail, All Mountain and Downhill. - Inexpensive, replaceable CR2032 battery lasts for months - Waterproof and dustproof - IP67 rating - Two alternative hoses (included) offer a range of fitting options - Smartphone app is compatible with Apple and Android phones Essential Details: - ShockWiz is designed for all mountain bike riders, regardless of your experience or bike's intended use. - You can tune for every riding style: Efficient (pedaling), Balanced, Playful or Aggressive. - Advice for air pressure, spring rate, compression and rebound is displayed in the intuitive smartphone app. - In the box: ShockWiz hardware, two hoses, rubber mounting boot and zip ties.
Park Tool Reamer & Spacer Set for BB30 Bottom Bracket Shells
$327.88
Park Tool's 752 Reamer and Spacer Set allows reaming of bottom bracket frame shells in the BB30 standard. The reamer is sized at 41.94mm. It is used with the HTR-1 Head Tube Reamer and Facer and a 750.2 Centering Cone (each sold separately). The set includes a spacer to stop the reaming depth.
Park Tool Repair Stand Base
$325.95
Park Tool's Repair Stand Base is a steel base plate for the PRS-2 OSLB, PRS-2 OS-1, PRS-2 OS-2 Repair Stands (each sold separately). • 23" x 35" x 7/16" steel plate • Approximately 118 lbs • Black painted
Park Tool Advanced Mechanic Tool Kit
$309.95
Designed specifically for the home mechanic who wants the best, the AK-3 Advanced Mechanic Tool Kit is a special collection of Park's finest tools, all housed in a tough toolbox. The AK-3 includes over 40 tools to work on a wide variety of current model bikes. A great set of tools a mechanic should not be without. Kit Includes: BBT-9 Bottom Bracket Tool for 16-Notch External Bearing Cups BBT-32 Bottom Bracket Tool for 20-Notch Shimano and ISIS Drive BO-2 Bottle Opener CC-3.2 Chain Checker CM-5.2 Cyclone Chain Scrubber CN-10 Professional Cable and Housing Cutter CNW-2 Chainring Nut Wrench CT-3.2 Chain Tool CWP-7 Compact Crank Puller DCW-1 Double Ended Cone Wrench: 13/14mm DCW-2 Double Ended Cone Wrench: 15/16mm DCW-3 Double Ended Cone Wrench: 17/18mm FR-5.2 Cassette Lockring Tool GP-2 Pre-Glued Super Patch Kit GSC-1 GearClean Brush HXS-1.2 Professional L-Shaped Hex Wrench Set MLP-1.2 Master Link Pliers PAW-12 12" Adjustable Wrench PW-5 Home Mechanic Pedal Wrench RR-12 Tape Measure SD-2 #2 Phillips Screwdriver SD-3 3mm Flat Blade Screwdriver SR-12 Chain Whip 5- to 12-Speed Compatible SW-0 Precision Spoke Wrench: .127" SW-2 Precision Spoke Wrench: .136" TB-2 Emergency Tire Boots TL-1.2 Tire Lever Set TWS-3 Torx Compatible 3-Way Wrench #349 Soft Bristle Soaping Brush
Park Tool Left-Hand Bottom Bracket Tap
$305.88
Park Tool's 692 Left-Hand Bottom Bracket Tap is a 1.370" x 24 TPI replacement tap for the BTS-1 Bottom Bracket Tap Set. This tap is used on the drive side (right side) of the bike. This side of the bottom bracket uses a counter-clockwise or left-hand thread. Note: It is very important to have sharp and accurate cutting tools for effective tapping and thread-chasing. Using an excessively worn or damaged tap can cause permanent damage to the frame and/or bottom bracket.
Park Tool Fork Threading Set
$284.95
Park Tool's Fork Threading Set is designed for cutting new threads and for chasing existing threads on fork columns that are not chromed. The FTS-1's expandable cutting dies are made from the highest quality high-speed steel for precision cutting and long life. The unique thread guide system used with the FTS-1 is specially designed to allow the metal chips and shavings that result during use to fall completely through the guide, preventing damage to the fork threads and the tool. The FTS-1 includes: • Die handles • 1" x 24 tpi cutting die (Part #606) • 1" cutting guide (Part #610) Accessory dies and guides are also available separately: • 1-1/8" x 26 die (Part #607) • 1-1/8" guide (Part #611) • 1-1/4" x 26 die (Part #608) • 1-1/4" guide (Part #612) Die handles fit all three sizes of dies and guides.
Park Tool PCS-10.2 Deluxe Home Mechanic Repair Stand
$263.99
A workstand is the backbone of any shop. Holding the bike at a convenient working height allows easy access for adjustments, cleaning and repair. The PCS-10.2 Deluxe Home Mechanic Repair Stand was designed and built using our 50 years of experience creating professional shop stands used in shops around the world. The unique three-point leg system and stout adjustable uprights create an extremely solid platform capable of handling bikes up to 80 lbs. (36kg). Easy to set up and use in a home shop, the PCS-10.2 also folds easily for transport or storage. - World famous Park Tool cam actuated, micro adjustable clamp that allows quick entry and exit and fits 1- to 3-inches (25mm–76mm) diameter tubes and seat posts of any shape and material - All steel structure for maximum stiffness and durability - Teardrop shaped tubing adds strength and ensures perfect positioning during use and folding - Folds quickly, easily and compactly for storage using aluminum quick release mechanisms and strong tubular support braces - Quick release height adjustment from 39- to 57-inches (99cm–145cm) - Durable textured powder coat finish - Super strong glass filled nylon composite fittings and top tube internals creating smooth rotation and secure positioning - Includes height adjustable compact tray to hold small parts, a few tools and the PTH-1 Paper Towel Holder (optional accessory)
Park Tool Crown Race Cutter Adaptor
$262.95
Park Tool's Crown Race Cutter Adaptor is used in conjunction with the CRC-1 Crown Race Cutting Tool (sold separately) to machine 39.8mm crown race seats (1.5” standard) on tapered forks with 1-1/8” steerer tubes. It includes a precision-machined adaptor body and a 39.8mm high-speed steel crown race cutter. The CRC-15 will work on forks with a maximum 1.5-inch taper of 4.25 inches.
Salsa Size-O-Matic II
$260.00
Ever wonder if you're riding with the right stem? Want to dial in your bike fit? Salsa's Size-O-Matic II allows you to find your optimal reach and rise for maximum on-bike comfort and performance. It's easily adjusted, and the hinged bar clamp makes swapping bars a cinch. The Size-O-Matic II is for fitting only, it is not for riding.
Topeak D-Torq
$239.95
You know that $300 carbon bar you just bought? Don't guess when installing it. Know exactly. Topeak's D-Torq is a precision digital torque wrench made from hardened steel. It features an audible alarm when you start to over tighten. The reversing rachet mechanism in the head has convenient thumb articulation and a range of 1-20 Nm. The LCD readout makes it easy to know exactly where you are and can calculate Nm/kg, Nm/cm, inch/lbs and foot/lbs.
Park Tool Adjustable Linkage Clamp
$233.12
Park's adjustable linkage shop clamp is found in more shops than any other professional level clamp. The 100-5C features solid cast aluminum construction and durable replaceable clamp covers. Clamp has reliefs on both jaws for cable routing, and feature replaceable jaw covers. - Fits PCS-4, PRS-5, PRS-6, and PRS-7 stands made after 6/96 - Fits bike frame tubes from 1" to 1 5/8" (25mm to 41mm) - The clamp jaws are nominally 4 inches (10cm) wide - Uses 468B jaw covers
Park Tool Adjustable Linkage Clamp
$211.06
Park's adjustable linkage shop clamp is found in more shops than any other professional level clamp. The 100-3C features solid cast aluminum construction and durable replaceable clamp covers. Clamp has reliefs on both jaws for cable routing. - Fits all generations of PRS-2, PRS-3, and PRS-4 stands, and PRS-5 stands manufactured before 6/96 - Fits bike frame tubes from 1" to 1-5/8" (25mm to 41mm) - The clamp jaws are nominally 4 inches (10cm) wide - Uses 468B jaw covers
Park Tool Cutting Facer
$209.88
Park Tool has long provided some of the best cutting and machining tools in the bicycle industry. Their 690 Cutting Facers reflect their commitment to maintaining this high level of quality. Please read below for use and compatibility information specific to each size cutter: - 45mm (690): The 690 cutting facer is used on the HTR-1, HTR-1B, BFS-1, and BTS-1 cutting and facing tools. The facer has an outside diameter of approximately 45mm. - 57mm (690XL): The 690-XL is a larger version of the 690 facer for the HTR-1 Head Tube Reamer and Facer. It has a nominal outside diameter of 57mm. It may be used in conjunction with the 788 reamer. It is also used with the 767 Pilot or the 768 Pilot to face only the large diameter headtubes used with, "low profile," ZS-type headsets. - 65mm (690-XXL): The 690-XXL faces large headtubes. It has a nominal outside diameter of 65mm. Use the 690-XXL facer with the 750.2 Centering Cone Adaptor and 789 Reamer or 790 Pilot when facing head tubes with internal diameters of 55.95–55.90mm.
Park Tool Adjustable Linkage Clamp
$209.52
Park's adjustable linkage shop clamp is found in more shops than any other professional level clamp. The 100-9C features solid cast aluminum construction and durable replaceable clamp covers. Clamp has reliefs on both jaws for cable routing. - Fits PRS-6, PRS-7, and PRS-8 stands made before 6/96 - Fits bike frame tubes from 1" to 1-5/8" (25mm to 41mm) - The clamp jaws are nominally 4 inches (10cm) wide - Uses 468B jaw covers
Park Tool Home-Mechanic Repair Stand
$209.00
For all your bicycle repairs, choose Park's Home-Mechanic Repair Stand! This great stand is always at the ready with fast and easy set-up and take down. The sophisticated cam-type clamp allows single-action clamping of tubes 7/8 to 3 inches in diameter, and the clamping pressure is fully adjustable to prevent frame damage. You'll love the smooth 360-degree rotation while the quick-release height adjustment (39 to 57 inches) makes this stand perfect for any height rider. Plus, this fine stand folds down to 41 inches for portability and easy storage.
Park Tool Adjustable Axle Set - For DT-5
$189.95
Upgrades the DT-5 to the DT-5.2. - Four telescoping axle adaptors - Two stand off studs for Flat Mount alignment - 12mm front fork thru axle sleeve
Park Tool Professional Micro-Adjust Repair Stand Clamp
$159.99 - $187.82
After years of research and testing, Park Tool's built what they consider the best shop clamp made. It’s smooth, versatile and built to stand up to everyday shop use. • #100-3D fits the following repair stands: PRS-2, PRS-2 OS, PRS-2 OS-1, PRS-2 OS-2, PRS-3, PRS-3 OS, PRS-3 OS-1, PRS-3 OS-2, PRS-3.2-1, PRS-3.2-2, PRS-4, PRS-4 OS, PRS-4 OS-1, PRS-4OS-2, PRS-4W and PRS-33 • #100-5D fits PCS-4, PRS-7, some models of PRS-5 (with composite top tubes), and PCS-1 models manufacturer post 2002. (Note: Inspect top tube below lever for an embossed "939") • #100-25D fits PRS-25, PCS-10, PCS-11, PCS-12 (and PRS-15 with 1951-15 Adaptor Stud) • Grips nearly any tube from 7/8” to 3” (23–76mm), including aero tubes • Micro-adjustability allows perfect clamping pressure every time and prevents damage to thin-walled tubes • Long travel cam handle allows quick entry, adjustment and exit • Versatile: It grips nearly any tube including aero shaped tubing and seat posts 7/8” to 3” (23mm-76mm). Its narrow clamping jaws (2.7”/7cm) are designed to clamp securely yet fit into tight areas or on short seat posts. • Durable, replaceable jaw covers • Soft Touch saddle cradle provides a perfect spot to temporarily rest a bike by its saddle • Built to last: Powder coated, precision machined, die-cast aluminum main body parts and high quality small parts • Fast operation: Cam-actuated adjustment system for quick entry, adjustment and exit, plus handy “spinner” handle helps speed large size range adjustments
Park Tool Mounting Post
$184.99
Mount the THS-1 Trailhead Workstation (sold separately) directly to this rigid steel post. Features: - 2-inch (5cm) square post plated then powder coated for long outdoor life - Includes THS-1 mounting fasteners - 6-inch (15cm) square base with holes to mount directly into hard surface or to Park Tool #130 Base Plate (fasteners not included) - Height: 62.25-inch (158cm) positioning cradle arms at 50.5-inch (128cm)
Park Tool Portable Workbench
$159.95
Perfect for taking to races and rides, the Portable Workbench is a bench that folds for easy transport and storage. It features a large work surface with specially sized slots, holes, and recesses and for holding tools, shop towels, lubes, beverages, etc. The folding steel legs provide a solid base for a toolbox and supplies, too.
Park Tool SK-4 Home Mechanic Starter Kit
$159.95
A perfect way to start a bicycle tool collection! A great combination of tools to help a home mechanic clean, adjust, maintain, and do some basic repairs on their bike. The SK-4 includes more than 15 genuine Park Tool products that can perform dozens of tasks and includes a custom Park Tool toolbox with extra room for spare parts and more tools. The SK-4 includes: - AWS-10 Fold-Up Hex Wrench Set - BBB-4 Big Blue Book of Bicycle Repair - CC-3.2 Chain Checker - CN-10 Professional Cable and Housing Cutter - CT-5 Mini ChainBrute Chain Tool - FR-5.2 Cassette Lockring Tool - GSC-1 GearClean Brush - HCW-16.3 Chain Whip/Pedal Wrench - HR-8 8mm Hex Wrench - MLP-1.2 Master Link Pliers - SD-2 Shop Screwdriver: #2 Phillips - SW-7.2 Triple Spoke Wrench - TL-1.2 Tire Lever Set - TWS-3 Torx Compatible 3-Way Wrench
Park Tool Reamer
$120.52 - $157.66
Park Tool offers premium-quality reamers for nearly any bicycle standard. The reamers below are designed to quickly, accurately, and precisely ream headtubes when used with Park's Head Tube Reamer (HTR), ensuring a perfect headset fit and prfoessional-quality bicycle build. Choose the correct reamer for your application using the following information: - 751.2: This reamer is sized to 30.1mm. This allows a 0.1mm interference fit when pressing the 30.2mm headset of the “Euro” one-inch standard. - 754.2: This reamer is sized to 33.9mm. The allows a 0.1mm interference fit when pressing the 34.0mm headset of the 1-1/8" standard. - 788: This reamer is sized to 43.95mm. It reams head tubes to accept “internal” headset cups with 44.05 - 44.10mm O.D. (1-1/8 ZS standard). It is used with Park Tool's 690-XL Facing Cutter and 750 Centering Cone. - 738: This reamer is sized to 52.1mm. It is used to ream head tubes using the 1-1/2" integrated headset standard. It is used with Park Tool's 690-XL Facing Cutter and 750.2 Centering Cone Adapter. - 789: This reamer is sized to 55.95mm. It is used to ream head tubes to accept “internal” headset cups with 56.00–56.10mm O.D. (1-1/2 ZS standard). It is used with Park Tool's 690-XXL Facing Cutter and #750 Centering Cone Adaptor. - 799: This reamer is sized to 47mm. It is used for cutting the lower head tube on frames using an IS47 bearing for a 1-1/4" integrated headset. It cuts a 45-degree bearing set shoulder.
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