7/8-speed MTB rear derailleur Engineered polymer and steel construction 11t guide and 13t tension pulley SHIMANO Equivalent RD-M360 / RD-M410 / RD-M310 / RD-TX75 / RD-TX55 / RD-TX35 / RD-TZ50 Specs: Model: RD-M41 Speed: 7/8sp Max: 34T Chain Wrap Capacity: 43T Cage/Mount: Long, Direct Mount Ratio: 2:1 (2 to 1) Color: Black Weight: 376g