absoluteBLACK Hollowcage® Shimano 8150 Carbon Ceramic Oversized derailleur pulley cage - RAINBOW bike tube cyclocross and MTB cross-country

cyclocross and MTB cross-country

Metrics: Speed

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NEW - ERG Easy Ramp gets you back in action

But it’s not JUST another bike light

absoluteBLACK Hollowcage® Shimano 8150 Carbon Ceramic Oversized derailleur pulley cage - RAINBOW bike tube cyclocross and MTB cross-countryabsoluteBLACK Hollowcage Shimano 8150 Carbon Ceramic Oversized derailleur pulley cage RAINBOW HOLLOWcage for Shimano Ultegra 8100 12spd. Our revolutionary mono plate oversized pulley wheel (in short OSPW) design is the quietest and best shifting, oversized derailleur cage for Shimano 12spd created to date. HOLLOWcage OSPW has a carbon polymer mono plate construction with bespoke, oversized, full ceramic bearings and the most advanced silencing pulleys