X01 Rear Derailleur Mats with lightweight alloy nuts

with lightweight alloy nuts

Has a nice

Extra StretchProof mushroomed pins enhance durability

The C15 is the first racing model in the Cambium family

in the other main compartment

X01 Rear Derailleur Mats with lightweight alloy nutsSRAM's X01 Rear Derailleur packs a massive amount of technology into its compact, lightweight body. This 11 speed gear changer uses a horizontal parallelogram design that limits all movement to the horizontal axis, reducing the force it takes to shift. The Type 2 clutch is brilliant. This self lubricating, one way roller clutch controls your chain tension to eliminate chain slap and give you smooth, consistent shifts over any terrain. For quicker,