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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
computer connection via ANT+ antenna READ ON Smartphone
rebalancing
SMART HJC 21B is the second-generation standard Bluetooth communication system model that supports HJC helmets compatible with 21B
M: Wall Weight: 730gr GOODYEAR
and longer operation
corona ovale rotor bcd 110x5 interna Teeth:38 computer connection via ANT+ antennaMade of 7075 aluminum and CNC machined. Black anodized finish. OCP system with 5 adjustment points. Compatibility: All cranksets with 110 BCD except Shimano, Time, Stronglight, THM Clavicula, Campagnolo, SRAM & FSA BB30 and all cranksets with a reinforcement flange between the arm and the crankset spider.
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