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Pre-tension Bolt for Shimano Hollowtech II Cranks and Shimano E-bike motors.
Simplify things with an 8mm fitting. 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.