Cambio Shimano GRX RD-RX820 12v Caschi Moto Bambino Nuovo design con superficie frenante

Nuovo design con superficie frenante più ampia per renderli più compatibili con i freni di altre aziende

high-performance data that gives you an edge over the competition

Frame size XS7/S7/M7/M9/L9/XL9/XXL9

9 è il più possibile solida

Cambio Shimano GRX RD-RX820 12v Caschi Moto Bambino Nuovo design con superficie frenanteThe RD RX820 model is compatible with 12 speed 11 34T and 11 36T cassettes, offering a wide gear range that allows maintaining a comfortable cadence regardless of terrain type. The SHIMANO GRX 12 speed derailleur features an integrated chain stabilizer that ensures quieter shifting and safer chain management in demanding situations. The chain tensioner also includes an ON OFF switch for pedaling on smooth surfaces. Features Quiet and reliable shifting