Shimano RD-M7100 SLX SGS 12-SPEED Rear Derailleur Size:12 Speed The durable bumper protector that

The durable bumper protector that fits perfectly with Thule Allax dog crate

Aluminum spine fiberglass handle

A helmet compatible StormHood™ delivers full coverage without impacting peripheral vision

Available in all the most popular Maxima line types

Whether you have a high or low instep

Shimano RD-M7100 SLX SGS 12-SPEED Rear Derailleur Size:12 Speed The durable bumper protector thatThe Shimano SLX RD M7100 SGS rear derailleur delivers smooth and stable shifting, while allowing the use of a 51 tooth cog in the back to handle steep pitches on any trail. Features: Long cage derailleur allows for 51 tooth cog in the back Bigger, more efficient 13 teeth pulleys Specifications: Speed: 1 x 12 SpeedShifter Compatibility: Shimano Mountain (12 Speed)Shift Mechanism: Cable ActuatedMax. Tooth: 51TMin. Tooth: 10TChain Wrap Capacity: 41TCage