4Pcs Bike Crank Arm Pinch Clamp Bolts 304 Stainless Steel M6x18mm Replacement Kit For Shimano Ultegra HollowTech Beefed Up Durable Corrosion Resistant Fasteners
✔️ 304 stainless, corrosion resistant, M6x18mm, fits HollowTech crank
These pinch clamp bolts are precise replacements designed for Shimano Ultegra HollowTech crank arms, typically used to secure the crank arm pinch bolts and maintain smooth, reliable performance on road bikes and mountain bikes alike.
✅ Material: 304 stainless steel for strength and corrosion resistance
✅ Size: M6x18mm compatible with HollowTech pinch bolts
✅ Compatibility: fits Shimano Ultegra HollowTech crank arms
✅ Pack: 4-piece replacement kit for easy maintenance
💡 What is a bike crank arm pinch bolt used for in a HollowTech system?
Handy for securing the crank arm to the spindle and simplifying maintenance.
- secure clamping on HollowTech crank arms
- 304 stainless steel resists corrosion
- M6x18mm size matches common HollowTech bolts
- includes 4 bolts for replacement and spare