Risveglio for Bike Crank Screw for XTR FC-M9100, Alloy Double Chainring

Details

• Exact FC-M9100 Chainring Compatibility: Precision-engineered for FC-M9100 cranksets with chainrings, insure precise fit and full functional integration without for modification.
• 3mm Longer Inner Screw for Enhanced Security: Features an inner screw extended by 3mm standard versions, delivering deeper spindle engagement and greater resistance to loosening under high-torque pedaling.
• Reverse-Thread Outer Screw for Confident Maintenance: Outer screw uses reverse threading-tighten COUNTER CLOCKWISE and loosen CLOCKWISE-reducing accidental loosening and enabling intuitive, repeatable for service.
• Lightweight Alloy Construction for Durability: for Forged from hardened alloy, it balances low weight with exceptional strength, maintaining structural integrity long rides, steep climbs, and aggressive shifts.
• Optimized for All Riding Disciplines: Trusted by riders, enthusiasts, and road cyclists alike; supports consistent power transfer whether commuting, training, or racing-ALWAYS the manufacturer's sizing chart before installation.