Genuine replacement parts
Get back on your bike with these replacement crankarm bolts.
Product details
- Crankarm bolts for Bosch Gen3 cranks
- Unique M10-1mm design for the Bosch Narrow Interface, or mini-ISIS
Get back on your bike with these replacement crankarm bolts.
Get all your favorite apparel from over 80 of the world's best cycling brands delivered right to your doorstep or local Trek retailer when you shop our curated online collection. If you're not 100% satisfied, you can return your purchase within 30 days for a full refund.
Shop all gear