SBC-1 Spoke/Bearing & Cotter Gauge

Description

The SBC-1 Spoke/Bearing & Cotter Gauge from Park Tool USA is a compact measuring tool designed to quickly identify spoke lengths, ball bearing diameters, and cotter pin sizes used on bicycles and related wheel assemblies. As part of Park Tool’s trusted wheel and freewheel tools lineup, this gauge is ideal for home mechanics, bike shops, and anyone servicing hubs, wheels, or older cottered crank systems.

• Fits a wide range of bicycle service applications where accurate measuring is needed for replacement spokes, loose bearings, and cotters.
• Commonly used to verify spoke lengths before ordering replacements or rebuilding wheels with road, mountain, BMX, and utility bike hubs.
• Measures loose ball bearing diameters used in many traditional cup-and-cone hub assemblies and bottom brackets.
• Also serves as a handy reference for mechanics searching for a wheel and freewheel tools SBC- spoke/bearing cotter gauge for bench or toolbox use.

This park tool usa sbc- spoke/bearing cotter gauge is manufactured for durability and repeatable workshop use, giving you a simple, low-tech way to confirm critical dimensions without guesswork. The flat gauge format is easy to store, easy to read, and convenient for quick checks during wheel truing, bearing replacement, or vintage crank service. Whether you are confirming spoke size before a rebuild or matching loose bearings during maintenance, the SBC-1 helps reduce ordering errors and speeds up repairs. It is a genuine Park Tool service accessory, offering dependable fit, finish, and shop-grade accuracy with minimal learning curve for straightforward DIY or professional use.

Keep this essential gauge on hand for faster parts matching and confident service. OEM-quality Park Tool accuracy and easy workshop use.