Pre-tension Bolt for Shimano Hollowtech II Cranks and Shimano E-bike motors.

Simplify things with an 8mm fitting and add a splash of your favourite anodised color. Never worry about turning the garage upside down at midnight to find that little 'thingy' to pre tension your cranks ever again.

- Remember this product needs minimal torque and do not exceed the manufacturers maximum recommended torque 0.7 to 1.5Nm
- Suits: XTR, XT, SLX, LX, Deore, Saint & Zee cranks and bikes with a Shimano e-bike motor.