XTR Di2 Shift Upgrade Kit 10-51T Head Units Four different sized slots to

Four different sized slots to fit a wide variety of bladed spokes

A velcro strap allows the helmet mount to be fitted and removed from your vented helmet within seconds

After you add the Axle Pack to your cart you can use this Fit Finder to get the correct Thru Axle Fit Kit

SM MD LG XL Crank Length 170 170 175 175 Handlebar Width 760 760 760 760 Stem Length 60 70 70 70 Saddle Width 155 143 143 143 Seatpost Length 370 415 415 415 Stack 600 600 614 628 Reach 415 440 465 490 Head Tube Length 93 95 110 125 Head Tube Angle 66

while remaining completely removable for charging

XTR Di2 Shift Upgrade Kit 10-51T Head Units Four different sized slots toDescription The Shimano XTR M9250 Di2 Wireless Upgrade Kit let you convert your existing Shimano 12 speed Mountain Bike into a wireless wonder. This upgrade let's your keep the same chain, crankset, and cassette you already have to make it as easy as possible to experience the latest generation of XTR excellence. The RD M9250 Rear Derailleur features all new wireless Di2 shifting, automatic impact recovery, a redesigned wedge shape and 23 millimeters