Rear derailleur: “The 12-speed Shimano Deore rear derailleur (RD-M6100-SGS) enables precise and quick shifting within the 10-51T range. 13-tooth pulley wheels and Shimano Shadow RD+ technology reduces ...

Shimano has added new 12-speed mountain bike groupsets – Deore XT and SLX – to the ... Giro d'Italia Lidl-Trek have drilled their 13sp derailleurs for Paris-Roubaix to make them 12sp The ...

While its predecessor looked somewhat bulky and derived from Shimano’s 11-speed Deore XT Di2 mountain ... As on the 12-speed Di2 road groups, the rear derailleur serves as GRX Di2 12-speed ...