Wolf Tooth Tubeless Presta Valve Stem Kit - Gold Size:44mm the 12-speed mid-cage M9250 rear

the 12-speed mid-cage M9250 rear derailleur

Model: BR-M8100

Get race-fast wireless shifting with the Shimano Ultegra RD-R8150 Rear Derailleur

Light Output Max Front: 40 Lm / Rear: 20 Lm

It's entirely constructed from durable CNC-machined aluminum and has a barrel that's lightly knurled for slip-resistant operation

Wolf Tooth Tubeless Presta Valve Stem Kit - Gold Size:44mm the 12-speed mid-cage M9250 rearThese Presta valve stems are compatible with tubeless rims and tires for road, gravel, mountain, and fat bike wheels. The kit includes two Presta valve stems, two machined aluminum caps, two nuts, two extra valve cores, a unique machined aluminum valve core remover, and three rubber base options for compatibility with more rim internal shapes. Features 44mm and 60mm stem length options Slotted stem base for compatibility with tire inserts Oversized