Wolf Tooth Cinch & ISIS Spline Wrench Insert
Best compact tool for home mechanics and mobile bike repairs.
This is the ultimate space-saver for your trail kit, turning a modular handle into a precision bottom bracket tool. You sacrifice the leverage of a full-length wrench, but you gain the ability to perform critical drivetrain maintenance anywhere without hauling a heavy, dedicated shop tool.
$19.95
Who it's for
- Cyclists needing a portable solution for emergency drivetrain adjustments
- Home mechanics working on modern mountain bike cranksets and bottom brackets
- Bikers who prioritize tool precision to protect expensive drivetrain components
Who should skip it
- Minimalists who prefer standalone tools without needing extra hardware
- Mechanics dealing with corroded parts requiring significant mechanical advantage
- High-volume shop mechanics seeking the most rugged long-term durability
Performance breakdown
Portability
Minimalist design eliminates the need for carrying heavy, dedicated shop tools.
Build Integrity
Hardened steel construction ensures it withstands high-torque bottom bracket service.
Retention Security
Magnetic system keeps the insert locked firmly during tricky drivetrain adjustments.
Corrosion Resistance
Electroless nickel plating protects against rust in damp, grimy workshop environments.
System Compatibility
Perfectly tailored for Cinch and ISIS standards, though limited to those.
Ease of Use
Modular design simplifies swaps but requires a compatible handle to operate.
Key Specs
Weight
31g
Material
Nickel Plated Hardened Steel
Compatibility
Race Face Cinch direct mount chainring system, ISIS bottom brackets
Country of Origin
USA
Magnetic Retention
Yes
Know before you buy
Still have a question?
Ask Metto anything about the Wolf Tooth Cinch & ISIS Spline Wrench Insert before you decide.
