【Cutting Edge Technology|Unparalleled Tensile Strength】
【New Shield Tech Riveting|Conquer All Terrain】
【Unparalleled Rigidity & Strength|Exceptional Durability】
Unsurpassed riveting geometry
Triple SP exceptional durability
Precise gear shifting
E-Bike system compatible
Accurate shifting
Expeditious shifting
Fortified riveting design
1/2"x11/128" | Compatibility : BOSCH and other 11 speed chain driven eBike systems