Mondraker Dune RR 2026

Mondraker Dune RR Obsidian Grey 29"/27.5" 400Wh 12 Speed X0 Eagle AXS T-Type 2026 Full Suspension Electric Mountain Bike

The 2026 Mondraker Dune RR is a high-end full-suspension e-MTB designed for downhill and technical trail enthusiasts. Its Stealth Air carbon frame and updated Zero suspension system provide optimal stiffness and control, while the Forward Geometry and Mullet setup (29" front / 27.5" rear) ensure exceptional handling and stability.

Equipped with the Bosch Performance Line SX GEN4 Smart System motor and an integrated 400Wh Bosch Compact Powertube battery, the Dune RR combines power and range. Every component, from the suspension to the brakes and transmission, has been chosen to deliver performance and comfort even in the most demanding conditions.

Frame and geometry

Frame

Stealth Air full carbon, updated Zero suspension system, Mullet mount, 165mm trail, Forward Geometry, non-removable internal battery, Boost 12x148mm rear axle, UDH, tapered head tube, one-piece upper link, HHG internal cable routing, sealed bearings, 15mm oversized axle, exclusive plastic motor guards.

Sizes

S: 380 mm / M: 420 mm / L: 450 mm / XL: 490 mm

Suspension

Rear shock absorber

Fox DHX2 Factory Kashima, 205x65 mm. Adjustments: high and low speed compression, high and low speed rebound, super light steel spring preload (SLS). Trunnion top mount, 30x8 mm lower bushings.

Shock absorber settings

CS40 compression, RS30 rebound, LML, Rezi B40, Bleed 0.9, VVCM stiffness: S 350 lbs, M 400 lbs, L 450 lbs, XL 500 lbs.

Front fork

Fox Podium 29 GRIPX2 Factory Kashima, 170mm travel, tapered steerer, 20x110mm Kabolt Boost axle, 44mm offset. Adjustments: high and low speed compression, high and low speed rebound, air preload.

Steering and cockpit

Headset

Acros custom IS52/ZS56, 1-1/8", 1.5" socket, internal cable routing, waterproof cap with blocklock.

Gallows

ONOFF S6 30mm 0º, forged 6061 alloy + CNC, 31.8mm bore.

Hanger

ONOFF S6 1.0 Carbon, 25 mm camber, 800 mm width, 8º backsweep, 5º upsweep, 31.8 mm bore. Size L and XL: 38 mm camber.

Handles

ONOFF Desert Pro, CNC lock-on, 135 mm. Size L and XL: thicker.

Seat post

ONOFF Pija internal dropper, diameter 31.6 mm, 1X remote control with bearing, sizes: S 140-115 mm, M 160-135 mm, L 180-155 mm, XL 210-185 mm.

Saddle

Ergon Enduro SPS20

Braking

Front brake

Sram Maven Bronze, 4-piston caliper (18 and 19.5 mm), IS 6-hole HS2 200 mm single-piece disc, sintered metal-on-steel pads.

Rear brake

Sram Maven Bronze, 4-piston caliper (18 and 19.5 mm), IS 6-hole HS2 200 mm single-piece disc, sintered metal-on-steel pads.

Brake lever

Sram Maven Bronze, SwingLink with pivot bushings, tool-free reach adjustment.

Wheels and tires

Rims

e*thirteen Grappler Flux, welded 6069 aluminum, 30 mm internal width, tubeless compatible, 28 spokes.

Rays

e*thirteen Sapim D-light / Brass.

Front hub

e*thirteen Boost 20x110 mm, triple butted, machined aluminum, IS 6 bolts.

Rear hub

e*thirteen Boost 12x148 mm, Sidekick, 12°/15°/18° adjustable deadband, triple seal, machined aluminum with 6° engagement, IS 6 bolts, HG freehub.

Front tire

Maxxis Assegai 29x2.5 WT, tubeless compatible, 3C MaxxGrip rubber, DH casing, 60x2 TPI, folding bead.

Rear tire

Maxxis Minion DHR II 27.5x2.5 WT, tubeless compatible, 3C MaxxTerra rubber, DD protection, 2x120 TPI, flexible bead.

Transmission

Crank

E.13 Helix Race Alloy E*Spec Plus, all sizes: 160 mm.

Trays

Sram X-Sync 2 Eagle 34 teeth T-type, steel, narrow-wide, 104 BCD CL55.

Chain

Sram GX Eagle T-type, 12 speed, Powerlock.

Rear derailleur

Sram X0 Eagle AXS T-type, 12 speed.

Gear shift levers

Sram Eagle AXS Pod MMX, 12 speed.

Cassette

Sram XS-1275, 10-52 teeth, T-type, 12 speed.

Motorization and battery

Engine

Bosch Performance Line SX (25 km/h) GEN4 Smart System, Diagonal Large version.

Battery

Bosch Compact Powertube 400Wh, integrated and non-removable.

Screen

Kiox 400C / Bosch Mini Remote

Weight

Total weight

20.5 kg

Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.