SRAM X1 Rear derailleur 11sp. Type 2.1 Long cage MFPN=00.2518.039.010 The Aspen is a lightweight

The Aspen is a lightweight XC tire that is designed to roll fast and still provide enough traction to keep you going when the trail gets rough

front/rear front axle/spacing (mm) 15x110 Boost hole 32h color silver weight 166g

}SRAM Rival eTap AXS Shifter Clamp Kit - Pair

} X-Range gearing technology gives you more range and a smoother gear progression

Increased bushing overlap improves small bump performance and grip

SRAM X1 Rear derailleur 11sp. Type 2.1 Long cage MFPN=00.2518.039.010 The Aspen is a lightweightSRAM X1 Rear Derailleur 11 Speed Medium Cage Black. The X1 group has all the important features of the high priced spread with a modest increase in weight. Wide tooth narrow tooth pulley wheel maximizes chain control by fitting inner and outer chain links perfectly X Horizon design maintains constant chain gap across all gears and eliminates ghost shifting Roller bearing clutch eliminates derailleur bounce and chain slap Cage Lock feature simplifies