RideScout

Rocky Mountain Altitude Powerplay Carbon 70 vs Trek Fuel+ EX 9.8 Eagle 90 Gen 2

Two emtb & road e-bikes at $7,559–$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 Altitude Powerplay Carbon 70 makes 50 Nm more torque.
  • The Altitude Powerplay Carbon 70 carries 140 Wh more battery.
  • The Altitude Powerplay Carbon 70 costs $641 less.

Every spec, side by side

Altitude Powerplay Carbon 70Fuel+ EX 9.8 Eagle 90 Gen 2
Headline
Price$7,559$8,199.99
CategoryeMTBeMTB
Price per Wh$10.50 per Wh$14.14 per Wh
Model year20262026
Motor
Torque110 Nm60 Nm
Motor power250 W—
Peak power1000 W—
DriveMid-driveMid-drive
Motor makeRocky Mountain Dyname S4 ProTQ HPR
Drive system—TQ
SensorTorqueTorque
Battery & range
Battery720 Wh580 Wh
Removable batteryYesYes
Weight & capacity
Max load—300 lb
Class & speed
Ships asClass 1: pedal assist to 20 mph, no throttleClass 1: pedal assist to 20 mph, no throttle
Unlocks toClass 1Class 1
ClassClass 1Class 1
ThrottleNoNo
Top assisted speed—20 mph
Build
Gears12-speed12-speed
DrivetrainSRAM Eagle 90 Transmission, GX Eagle Transmission 10-52T cassetteSRAM Eagle 90 T-Type (10-52T)
BrakesHydraulic discHydraulic disc
Front rotor—200 mm
Rear rotor—200 mm
SuspensionFull suspensionFull suspension
Fork travel170 mm150 mm
Rear travel160 mm145 mm
Front suspensionYesYes
Suspension seatpostNoNo
Tires29 x 2.5 Maxxis Assegai (F) / 29 x 2.4 Maxxis Minion DHR II (R), 27.5 on size SM29 x 2.5 Maxxis Minion
DisplayRocky Mountain Jumbotron, top tube integrated—
FrameSMOOTHWALL Carbon, carbon rear triangleOCLV 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, warranty or safety 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
Warranty3 yr—
Warranty terms5 years on frames (transferable to second owners), 3 years on drive electronics, sensors and charger, 24 months on the battery, 1 year on hardware and drive wear items (brand policy)—

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

Add a third bike to this comparison