Drivetrains that fit the Santa Cruz Hightower 4 Carbon CC XTR RSV 2026

Now on your bike: Shimano XTR Di2 M9250, SGS, 12spd

Fits 3

Every standard that matters is recorded for your bike and the part, and they match.

Budget
CA$140.001 Canadian shop
Shimano SLX M7100 12-speed Cassette 10-51T
Get: 10-51T
Check price at TBS Bike Parts
Budget
CA$279.951 Canadian shop
Shimano Deore M6100 1×12 Groupset (no crank)
Get: 1×12, 10-51T
Check price at bikecomponents.ca
Mid-rangeUpgrade
CA$819.951 Canadian shop
Shimano Deore XT M8100 1×12 Groupset with Crank
Get: 1×12, 10-51T
Check price at bikecomponents.ca

May fit — check 2Show

A standard these need isn’t recorded for your bike or the part. Each card says what to check.

Mid-range
CA$586.951 Canadian shop
SRAM NX Eagle 1×12 Groupset with Crank
Get: 1×12, 11-50T, HG
Check on your bike first
- Needs a HG freehub — your wheel has MICROSPLINE. Needs a driver swap (if your hub offers one) or a new wheel.
Check price at bikecomponents.ca
TopUpgrade
CA$1,299.951 Canadian shop
SRAM GX Eagle Transmission AXS Groupset with Crank