Shimano rear derailleur GRX RD-RX812 1x11-speed max. 11-42 Gravel Cross NEW

SHIMANO GRX RD-RX812 - Rear derailleur - 11-speed - SHIMANO SHADOW RD+ - Largest sprocket max. 42T

The SHIMANO GRX rear derailleur, with its integrated chain stabilizer, ensures quiet, secure, and precise shifting on mixed terrain. For rides on slippery surfaces, the chain stabilizer can be deactivated using the on/off switch on the rear derailleur. The RD-RX812 rear derailleur is compatible with MTB cassettes with a maximum of 42T on the largest sprocket.

Quiet and smooth shifting system for uneven terrain. Adjustable chain stabilizer prevents the chain from jumping out. SHIMANO SHADOW RD+. Smooth and reliable shifting on changing ground conditions. The stabilizer can be switched on or off depending on the terrain. Spring tension adjusted for gravel. Compatible with current dual-control shift/brake levers for road bikes. Small sprocket: Max. 11T/Min. 11T. Large sprocket: Max. 42T/Min. 40T. Total capacity: 31T.