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2025 Mondraker

PRIME S

A 29″ aluminum frame fitness e-bike with modest components and sram hydraulic disc brakes.
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Weight51.8 lbs  
FrameAluminum
SuspensionHardtail, 120mm
ForkSteel
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetSRAM, e*thirteen
MotorBosch 600W 85Nm mid-drive
BatteryBosch 800Wh
BrakesSRAM Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
PRIME S
Other Fitness bikes
Sizing
SM

5'3" – 5'9"

MD

5'6" – 5'11"

MD/LG

5'8" – 6'2"

LG

5'10" – 6'4"

XL

6'2" – 6'7"

🐐 Estimated

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
Bikerumor
Mondraker Updates the Hardtail eMTB Prime Platform for Urban and Trail Alike

Mar 2026 · Travis Reill

Mondraker updates the Prime e-bike platform with two Prime builds for trail riding and the Prime X for urban adventures

Read Review

Geometry
Specs
Build
Frame

Prime Xtralite 6061 Full Butted Alloy, Forward Geometry, intenal removable battery, tapered head tube, Boost 12x148mm rear axle, UDH,

Hanger StandardUDH

ColorsGrey / Black; Desert / Black

Fork

RockShox Recon Silver RL 29, 120mm, Motion control, Solo Air, tapered steerer tube, Boost 15x110mm axle, 32mm steel stanchions, 42mm offset. Settings: compression adjustment at low-speed to lock, rebound, air preload

Travel120mm

Spring TypeAir

Headset

Acros custom ZS56/ZS56, 1-1/8", 1.5" head tube, Internal cable routing, sealing plugs without blocklock

Stem

Onoff S3 30mm 0º, 6061 forged alloy, 31.8mm barbore

Handlebar

Onoff S3 1.0 6061 alloy, rise: 25mm, width: 800mm, 8º backsweep, 5º upsweep, 31.8mm barbore. L and XL size: 38mm rise.

Saddle

Ergon SMC10 Gel

Seatpost

Onoff S3 0-R, diameter 31.6mm, length 400mm

TypeRigid

Grips

Onoff Beehive, 1lock-on, 135mm

Groupset
Rear Derailleur

SRAM 70 Eagle, T-Type, 12s

Crank

E.13 Helix Core E*Spec Plus, All sizes: 160mm, Rings: SRAM Eagle 34T T-Type, direct mount, steel, CL55

Shifters

SRAM Trigger 70, 12s, T-Type Actuation

Chain

SRAM 70 T-Type, 12s Flattop, PowerLock

Brakes

Front: SRAM DB6, 4-piston caliper, Centerline 200mm IS 6 bolts one-piece rotor, steel-backed organic pads, Rear: SRAM DB6, 4-piston caliper, Centerline 200mm IS 6 bolts one-piece rotor, steel-backed organic pads

TypeSRAM Hydraulic Disc

Brake Levers

SRAM DB6, tool reach adjust, lever pivot bushings

Wheels
Rims

WTB Sportterra Tough,6061 Welded Aluminum, 30mm internal width, tubeless ready, 28 spokes

Spokes

WTB Straight gauge spokes & black brass locking nipples

Front Hub

WTB Frequenzy Sport Boost 15x110mm, fully machined aluminum, IS 6 bolts

Rear Hub

WTB Frequenzy Sport Boost 12x148mm, fully machined aluminum, IS 6 bolts, HG freehub

Tires

Front: Maxxis Rekon 29x2.6, tubeless ready, dual compound, EXO protection, 60TPI, folding bead, Rear: Maxxis Rekon 29x2.6, tubeless ready, dual compound, EXO protection, 60TPI, folding bead

Electric Components
Motor

Bosch Performance Line CX (25Km/h) SMART SYSTEM (BDU384Y)

Battery

Bosch Powertube 800Wh

Display

Purion 200

Rider Notes
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First added March 14

Last updated April 11

Not listed for 48 days