CeramicSpeed Coated Oversized Pulley Wheel System Shimano 9100/R8000 SS Red color-blackout and thrill your neighbors if

and thrill your neighbors if you live in an apartment house

and carbohydrates to speed your recovery

2017 RockShox Sektor RL Gold Mountain Fork 26" 150mm 15x100mm 1/18" Disc

1 Rear Air Shock 165 x 38mm

Shimano Dura Ace WH-9000 C35 Carbon Clincher 700c Wheelset

CeramicSpeed Coated Oversized Pulley Wheel System Shimano 9100/R8000 SS Red color-blackout and thrill your neighbors ifThe CeramicSpeed Oversized Pulley Wheels System has been proven to be the fastest pulley system in the world, providing energy savings starting from 2. 4 watts over standard Shimano systems. This features a 13 tooth upper pulley wheel and a 19 tooth lower pulley wheel to provide absolute optimization of the rear derailleur. The Shimano 9100 8000 system is compatible up to a 32 tooth cassette for both Dura Ace & Ultegra derailleurs. NOT compatible