Sram X4 Rear Derailleur Trainers and neckless blade design for

and neckless blade design for maximum durability

2mm stainless steel tubing bent in the same graceful curves as our original model

The grip of the shaft makes it a precise and efficient ice axe

The Shuffle II goes bigger and brawnier

Type / Level: Type II

Sram X4 Rear Derailleur Trainers and neckless blade design forSRAM X4 Rear Derailleur 7 8 9 Speed ESP compatible (1: 1 actuation ratio) for ESP trigger or twist shifters Di. R. T (Direct Route Technology) for light effort shifting performance Alloy outer link and B knuckle with Grilon composite P knuckle Steel composite cage with replaceable pulleys 7 8 9 speed compatible with top normal resting position