Mountain Bike Ratchet 60t High-precision Wear-resistant Bicycle Wheel Freehub Ratchet Repair

Features: 1. More dense power output, high rotation efficiency! 2. the surface is smooth 3. Low friction coefficient 4. Good wear resistance and service life 5. the hub ratchet is simple and compact, making it easier to install and maintain. Excellent mechanical properties ensure more intensive power output and high rotational efficiency.

Description: Name: Bike Ratchet

Material: 20CRMOTI (alloy steel) Center hardness: ≥HRC55 Surface hardness: ≥HV2000 Limit torque: ≥400NM Fatigue resistance: ≥100,000 times (250NM) Quality assurance: 3 years or 50,000 km

Packing list: 1 x Bike Ratchet  Note: Different displays may cause the color of the item in the picture a little different from the real thing.  Manual measuring,please allow 1-3mm error,thank you.