4 Pack Bicycle Crank Arm Bolts For E Bikes M15 ISIS Crank Screws Durable Steel Build With Plastic Seal No Crank Cap Required Compatible With Bosch And Brose E Bike Drives

4-Pack M15 ISIS Crank Bolts for Bosch & Brose E-Bikes
✔️ 4-pack M15 ISIS crank bolts with plastic seal; fits Bosch & Brose

These crank bolts are steel with a protective plastic seal, eliminating the need for a separate crank cap. Designed for ISIS inner bearing systems with M15 threads, they work with Bosch and Brose e-bike drives to keep crank arms secure and corrosion-free.

✅ 4 pieces included in the pack
✅ Steel construction with plastic seal to resist corrosion and vibration
✅ M15 thread compatible with ISIS inner bearing
✅ Dimensions: 21.6x20.6 mm; color: Silver
✅ Compatible with Bosch and Brose e-bike drives

💡 What is a M15 ISIS crank bolt with plastic seal used for in e-bike drivetrains?

These handy bolts secure crank arms on ISIS spindles and resist loosening on vibration-heavy rides.

- Secure crank arm to ISIS spindle
- Prevents loosening due to vibration on e-bike drives
- Compatible with Bosch and Brose e-bike drives
- Includes 4 pieces in the pack