Topeak BabySeat II Rack for 26, 27.5 (650B) and 700C Disc Bikes OEM the SHIMANO SM-BH90-SS uses two

the SHIMANO SM-BH90-SS uses two straight style connections

front difference 20T Total capacity 43T Low sprocket|Max

Easily removes grease

Compatible with EW-SD300-I and EW-SD50

without the price-tag

Topeak BabySeat II Rack for 26, 27.5 (650B) and 700C Disc Bikes OEM the SHIMANO SM-BH90-SS uses twoFor 26", 27. 5" (650B) & 700C Wheels w disc brakes Strong tubular aluminum rack with QuickTrack system for all Topeak MTX TrunkBags and MTX Rear Baskets. Fast, easy mounting of BabySeat II without use of tools. Rack is designed for compatibility with disc brakes. Please note: This pannier rack is not compatible with the Polygon Heist and Path range bikes.