Transition Regulator CX Eagle 70 e-MTB, side view
Photo: Transition
Full-power eMTBAll-mountain2026
Regulator CX range · 3 builds

TransitionRegulator CX Eagle 70

€7,599RRP Germany (transitionbikes.com EU store), VAT incl.
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"
Frame
Carbon

All Bosch Performance Line CX eMTBs →

Overview

The Transition Regulator CX Eagle 70 (€7,599) is the entry build of the Regulator CX: Bosch Performance Line CX with 600 Wh, RockShox Domain Gold RC fork, RockShox SuperDeluxe Base shock, SRAM Eagle 70 and SRAM Maven Base brakes.

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

Gallery

Photos: Transition

Full specifications

Frame & suspension

Frame
Regulator CX Carbon 150mm
Wheel size
Mixed
Rear shock
RockShox SuperDeluxe Base (205x60mm)
Fork
RockShox Domain Gold RC (160mm)
Headset
FSA No.57E

E-system

Motor
Bosch Performance Line CX (BDU38)
Battery
Bosch PowerTube (600wh)
Display
Bosch System Controller (USA/Canada) Bosch Kiox 400c (International)
Remote
Bosch Wireless Mini Remote

Drivetrain

Shifter
SRAM Eagle 70 MMX
Rear derailleur
SRAM Eagle 70
Cassette
SRAM XS 1270 (10-52t)
Chain
SRAM Eagle 70
Crankset
Samox EC39 (150mm)
Chainring
SRAM T-Type Direct Mount (34t)
Chainguide
Transition Integrated Top Guide

Brakes

Brakes
SRAM Maven Base
Rotors
SRAM Centerline (200mm)

Wheels & tyres

Rims
WTB ST i30
Spokes
Pillar Straight Gauge
Hubs
Novatech D791SB/D902SB
Front tyre
Maxxis Assegai 3C MaxxGrip EXO+ (2.5)
Rear tyre
Maxxis Minion DHRII 3C MaxxTerra DD (2.4)

Cockpit

Stem
Race Face Aeffect R (40mm)
Handlebar
Race Face Chester 35 SM(780x20) MD/LG/XL(780x35)
Grips
ODI Elite Flow Lock-On
Saddle
SDG Bel Air 3
Seatpost
SDG Tellis SM(150mm) MD(170mm) LG(200mm) XL(230mm)

Other

Included
Bosch Charger, Tubeless Valves & Sealant

Manufacturer specification — source. Specs and prices can change; check with the brand or your dealer.

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.

Regulator CX: builds compared

Regulator CX range →
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 Eagle 70: FAQ

How much does the Transition Regulator CX Eagle 70 cost?

€7,599 (RRP Germany (transitionbikes.com EU store), VAT incl.). The Regulator CX range runs from €7,599 (Regulator CX Eagle 70) to €9,999 (Regulator CX XT Di2). Prices vary by country and dealer.

What motor and battery does the Transition Regulator CX Eagle 70 have?

Bosch Performance Line CX (120 Nm; 750 W peak). 600 Wh battery — bosch PowerTube; optional 250 Wh PowerMore range extender.

How much suspension travel does the Transition Regulator CX Eagle 70 have?

160 mm at the fork and 150 mm at the rear, on mullet 29" / 27.5" wheels.

What sizes does the Transition Regulator CX Eagle 70 come in?

S, M, L, XL. Check the geometry table to compare reach and stack between sizes.

What is the difference between the Regulator CX Eagle 70 and the Regulator CX Eagle 90?

They share the Regulator CX frame platform and motor; the differences are in the parts — fork: RockShox Domain Gold RC (160mm) vs RockShox ZEB Ultimate (160mm); shock: RockShox SuperDeluxe Base (205x60mm) vs RockShox SuperDeluxe Ultimate (205x60mm); derailleur: SRAM Eagle 70 vs SRAM Eagle 90; price: €7,599 vs €8,999.

More Transition e-bikes

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