Drivetrains that fit the Santa Cruz Hightower 4 Carbon C 90 2026

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

• Budget

  CA$279.951 Canadian shop

  Shimano Deore M6100 1×12 Groupset (no crank)

  Get: 1×12, 10-51T

  Check on your bike first

  • Needs a MICROSPLINE freehub — your wheel has XD. Needs a driver swap (if your hub offers one) or a new wheel.

  Check price at bikecomponents.ca

• 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 XD. Needs a driver swap (if your hub offers one) or a new wheel.

  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 on your bike first

  • Needs a MICROSPLINE freehub — your wheel has XD. 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

  Get: 1×12, 10-52T, XD

  Check on your bike first

  • Not documented whether your frame has a UDH hanger.

  Check price at bikecomponents.ca