TONE 60T Star Ratchet Bicycle Hub Service Kit 20CRMOTI Alloy Hub Gear Repairing Part for MTB Mountain Road Bike

Features:
60T star ratchet, hollow design on the inner wall, denser output power and high rotation efficiency.
One-piece ratchet, simple and compact, easy to install and maintain, with nice mechanical properties.
High-quality alloy steel, nice low temperature impact, strong toughness, nice fatigue resistance.
It is suitable for X1600, X1700, 1501 wheel and 190, 240S, 340, 350, 440,540 hub.
Perfect repairing accessories for bicycle hubs, and can be a nice replacement for old or damaged ones.

Specifications:
Material: 20CRMOTI(Alloy Steel)
Angle: 6°
Center Hardness: _HRC55
Surface Hardness:_HV2000
Limit Torque:_400NM
Fatigue Resistance: _100,000 Times(250NM)
Ratchet Size: 27.5 * 27.5 * 11mm/ 1.1 * 1.1 * 0.4in
Package Size: 100 * 80 * 30mm/ 3.9 * 3.1 * 1.2in
Package Weight: 26g/ 0.9oz

Packing List:
2 * Star Ratchet
2 * Ratchet Cover
1 * Coil Spring
1 * Rubber DustRing