Shimano FC-RX820-1 12-speed 46T crank arm black - 170

The Shimano GRX RX820 46T 12V crank arms are specifically designed for gravel bikes, offering the perfect combination of lightness and efficiency for mixed terrain.This model belongs to the GRX FC-RX820-1 series with HOLLOWTECH II technology, which ensures low weight without sacrificing strength. It is intended for 1x12 speed setups with 46-tooth chainrings, optimising power transfer on varied routes. The aluminium construction provides durability and protection against mud, ideal for demanding conditions.The Shimano GRX RX820 46T 12V crank arms are compatible with 10-45 or 10-51 cassettes, offering options for tighter gear steps or a wide range depending on the rider’s needs. Additionally, they are available in several arm lengths (160 to 175 mm) to suit different sizes and pedalling styles. Micro Spline technology enhances sprocket durability and smoothness of shifting.