CeramicSpeed OSPW Pulley Wheel System Shimano 9000/6800 Series - Alloy Pulley Carbon Cage BLK MFPN=BB19BSA8330 }Shimano FC-MT510-1 Chainring - 32t

}Shimano FC-MT510-1 Chainring - 32t 12-Speed Asymmetric 96 BCD Black

DT Swiss spoke calculator: https://spokes-calculator

while bigger S-Sizes deliver more stability and a roomier ride

WTBs flagship CZR carbon rims deliver minimal rotational weight and fine-tuned compliance to make you feel at one with the terrain

Uni-Directional

CeramicSpeed OSPW Pulley Wheel System Shimano 9000/6800 Series - Alloy Pulley Carbon Cage BLK MFPN=BB19BSA8330 }Shimano FC-MT510-1 Chainring - 32tCeramicSpeed OSPW Pulley Wheel System for Shimano 9000 6800 Series Alloy Pulley Carbon Cage Black. The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low friction bearings and unique overall design. Features two oversized 17 tooth aluminum pulley wheels with Grade 3 Silicon Nitride balls Robust cage crafted from polyamide and carbon fiber for durability and light