Transition Regulator CX XT Di2 e-MTB, side view
Full-power eMTBAll-mountain2026
Model range · 3 builds

TransitionRegulator CX

Price
€7,599 – €9,999
Motor
Bosch Performance Line CX120 Nm; 750 W peak
Battery
600 WhBosch PowerTube; optional 250 Wh PowerMore range extender
Travel F / R
160 / 150 mm
Wheels
Mullet 29" / 27.5"
Weight
21.8 kg – 21.9 kg

Overview

The Regulator CX is Transition's carbon all-mountain e-MTB on a dedicated mixed-wheel platform (29-inch front, 27.5-inch rear) with 150 mm of GiddyUp rear travel and a 160 mm fork. A flip chip offers High and Low geometry settings.

It uses the Bosch Performance Line CX motor (120 Nm, 750 W peak) with a 600 Wh PowerTube in the down tube; a 250 Wh Bosch PowerMore range extender takes capacity to 850 Wh. Control is via a Bosch Wireless Mini Remote and Kiox 400c display. Transition quotes 21.84 kg (size MD) for the Eagle 90 build.

  • Bosch Performance Line CX: 120 Nm, 750 W peak
  • 600 Wh battery, 850 Wh with PowerMore extender
  • 150 mm rear / 160 mm fork, mixed wheels
  • Carbon frame, High/Low flip chip

Transition Regulator CX builds

Regulator CX builds compared

Regulator CX Eagle 70Regulator CX Eagle 90Regulator CX XT Di2
Price€7,599€8,999€9,999
FrameCarbonCarbonCarbon
ForkRockShox Domain Gold RC (160mm)RockShox ZEB Ultimate (160mm)Fox 38 Factory Grip X2 (160mm)
ShockRockShox SuperDeluxe Base (205x60mm)RockShox SuperDeluxe Ultimate (205x60mm)Fox Float X2 Factory (205x60mm)
DerailleurSRAM Eagle 70SRAM Eagle 90Shimano XT Di2 RD-M8260-SGS
BrakesSRAM Maven BaseSRAM Maven SilverTRP EVO Pro
WheelsWTB ST i30DT Swiss H 1900 Spline 30DT Swiss HX 1700
DisplayBosch System Controller (USA/Canada) Bosch Kiox 400c (International)Bosch Kiox 400cBosch Kiox 400c
Weight—21.8 kg21.9 kg

Regulator CX geometry

SizeSMLXL
AReach425 mm / 420 mm455 mm / 450 mm480 mm / 475 mm510 mm / 505 mm
BStack623 mm / 628 mm632 mm / 637 mm641 mm / 646 mm651 mm / 656 mm
CEffective Top Tube Length551 mm / 554 mm583 mm / 587 mm610 mm / 615 mm643 mm / 648 mm
DSeat Tube Length375 mm400 mm440 mm470 mm
EEffective Seat Tube Angle78.8° / 78.3°78.5° / 78.0°78.2° / 77.7°77.9° / 77.4°
Saddle Height For Effective Seat Tube Angle600°660°720°780°
Actual Seat Tube Angle75° / 74.5°75° / 74.5°75° / 74.5°75° / 74.5°
Seat Tube Offset At Bottom Bracket41 mm41 mm41 mm41 mm
FHead Tube Length105 mm115 mm125 mm135 mm
GHead Tube Angle64.5° / 64.0°64.5° / 64.0°64.5° / 64.0°64.5° / 64.0°
HChainstay Length442 mm / 444 mm442 mm / 444 mm448 mm / 450 mm448 mm / 450 mm
IWheelbase1201 mm / 1203 mm1235 mm / 1237 mm1271 mm / 1273 mm1305 mm / 1307 mm
JBottom Bracket Drop (Front)20 mm / 25 mm20 mm / 25 mm20 mm / 25 mm20 mm / 25 mm
JBottom Bracket Drop (Rear)0 mm / 5 mm0 mm / 5 mm0 mm / 5 mm0 mm / 5 mm
KEstimated Bottom Bracket Height350 mm / 345 mm350 mm / 345 mm350 mm / 345 mm350 mm / 345 mm

Where two values are given: High / Low flip-chip position. Source: Transition.

Transition Regulator CX: FAQ

How much does the Transition Regulator CX cost?

€7,599 – €9,999 depending on the build (Regulator CX Eagle 70 €7,599, Regulator CX Eagle 90 €8,999, Regulator CX XT Di2 €9,999); RRP Germany (transitionbikes.com EU store), VAT incl..

How many Transition Regulator CX builds are there?

3: Regulator CX Eagle 70, Regulator CX Eagle 90, Regulator CX XT Di2. They share the frame platform and differ mainly in suspension, drivetrain, wheels and weight.

How much does the Transition Regulator CX weigh?

Claimed weights range from 21.8 kg (Regulator CX Eagle 90) to 21.9 kg (Regulator CX XT Di2).

What motor and battery does the Transition Regulator CX use?

Bosch Performance Line CX (120 Nm; 750 W peak) with a 600 Wh battery (bosch powertube; optional 250 wh powermore range extender).

How much travel does the Transition Regulator CX have?

160 mm fork and 150 mm rear travel on mullet 29" / 27.5" wheels.

Other Transition e-bikes

All Transition →