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Forum: Bicycle Mechanics

09-19-17, 07:52 PM

Replies: 17

Washer for crank arm bolt

Views: 9,294

Posted By WizardOfBoz

My Nuovo Record cranks had a hardened, ground...

My Nuovo Record cranks had a hardened, ground steel washer between bolt and crank. Worked great. My background is engineering, and for high-strength fasteners, one ALWAYS uses a washer - the bolt...

Forum: Bicycle Mechanics

09-10-17, 03:00 PM

Replies: 17

Washer for crank arm bolt

Views: 9,294

Posted By WizardOfBoz

Yeah, you should have a washer between the...

Yeah, you should have a washer between the high-strength steel bolt (which is heat treated and is hardened) and the aluminum crank arm. Ideally, you should torque the bolt down (then ride a bit,...

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