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Transition Regulator CX Eagle 70 vs Trek Fuel+ EX 9.8 Eagle 90 Gen 2

Two emtb & road e-bikes at $6,799–$8,199.99, every published spec lined up. Nothing here is estimated: a figure the manufacturer does not publish is shown as “—”.

vs

Where they differ

  • The Regulator CX Eagle 70 makes 60 Nm more torque.
  • The Regulator CX Eagle 70 costs $1401 less.

Every spec, side by side

Regulator CX Eagle 70Fuel+ EX 9.8 Eagle 90 Gen 2
Headline
Price$6,799$8,199.99
CategoryeMTBeMTB
Price per Wh$11.33 per Wh$14.14 per Wh
Model year20262026
Motor
Torque120 Nm60 Nm
Peak power750 W—
DriveMid-driveMid-drive
Motor makeBosch Performance Line CX (BDU38)TQ HPR
Drive systemBoschTQ
Sensor—Torque
Battery & range
Battery600 Wh580 Wh
Removable batteryNoYes
Weight & capacity
Max load—300 lb
Class & speed
Ships as—Class 1: pedal assist to 20 mph, no throttle
Unlocks to—Class 1
Class—Class 1
ThrottleNoNo
Top assisted speed—20 mph
Build
Gears12-speed12-speed
DrivetrainSRAM Eagle 70 (10-52T)SRAM Eagle 90 T-Type (10-52T)
BrakesHydraulic discHydraulic disc
Front rotor200 mm200 mm
Rear rotor200 mm200 mm
SuspensionFull suspensionFull suspension
Fork travel160 mm150 mm
Rear travel150 mm145 mm
Front suspensionYesYes
Suspension seatpostNoNo
Tires29 x 2.5 Maxxis Assegai front, 27.5 x 2.4 Maxxis Minion DHRII rear29 x 2.5 Maxxis Minion
DisplayBosch System Controller (US/Canada)—
FrameCarbonOCLV Mountain Carbon
SizesSM-XLS-XXL
Step-through optionNoNo
Included
LightsNoNo
FendersNoNo
RackNoNo
KickstandNoNo
Safety—UL 2849
Safety certification—UL 2849: full system
As the maker states itNo UL certification stated on the product pages we readAll e-systems that Trek currently uses have been tested to UL 2849 and EN 15194 as appropriate, and certified to UL 2849
Warranty termsFrame covered for life against manufacturing defects for the original owner, with lifetime crash replacement; Bosch Smart system components two years (brand policy)—

Specs transcribed from www.transitionbikes.com on 09/29/2026 and www.trekbikes.com on 09/19/2026. Manufacturers revise specs without notice: confirm before buying.

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