Shimano RD-R8150 Ultegra Rear Derailleur Di2 12-SpeedNow simplified with a single derailleur cage length, the new 12 speed Shimano RD R8150 Ultegra rear derailleur packs the fastest, most precise shifting into a more approachable option. The Shimano RD R8150 Ultegra 12 Speed Derailleur is compatible with 28 34T low sprockets. FEATURES Shimano's fastest ever rear shifting, 58% faster than RD R9150 The compact design includes an integrated wireless unit, charger, and switch LED status indicator Battery

Take the performance and Body Geometry ergonomics of our high-end road shoes

Designed for Fat and Semi Fat tire bikes

We optimized this airfoil to provide a maximum advantage in clean air at speeds seen from long solo breakaways to full gas World Tour sprints

At the center of the 303 Firecrest Tubeless Disc brake is a versatile and durable new hubset

Three rear pockets and a full-length YKK zipper with lockable puller

DT Swiss CR1600 wheelset HollowGram crank HollowGram SAVE bar-stem & seatpost

2021 ENDURO SW FRM

2-degree front centre pivoting type

2mm up to 35mm in diameter

Bend: 125mm drop x 75mm reach

Most of those miles occur in the daytime

new shift points