Ritchey Ratchet Rings and Spring Gray/Oat/Charcoal BNS recommends use of optional

BNS recommends use of optional speed reducers and/or brake

Designed engineered and assembled in the USA Lumens Rear 160 Recharge Type USB Battery Li Ion Weight 55

the Wolf Tooth Universal Derailleur Hanger - UDH connects your derailleur to your frame

for a higher level of compliance than BMC road bikes

Fast action lever Rear Der/Shifter Compatibility BOX Prime 9 Drivetrain Speeds 9 Shifter Style Thumb Color Matte Onyx Weight 135 Designed for ebike Yes

Ritchey Ratchet Rings and Spring Gray/Oat/Charcoal BNS recommends use of optionalPawl and spring service kit for Ritchey rear hubs. Compatible with all Ritchey wheels and hubs V4 and up