Derailleurs

- Prevents chain derailment when shifting to inner ring - Adjustable hose-type clamp fits 1-1/8" to 1-3/8" seat tubes

- 6061 Forged Alloy - Made to O.E.M. specifications - Correct hardness to reduce damage to frame upon impact

- Bulk packed and poly bagged - Speeds: 5/6/7 - Max Tooth: 48 - Wrap: 20 - Swing: Bottom