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This 29" mountain bike is designed for your mountain bike rides, all year round, from 2 to 3 hours.

Comfort and responsiveness to the vagaries of the terrain: the 29" wheels (27.5" in S), the single chainring and the hydraulic disc brakes of the EXPL 500 mountain bike will change your mountain bike

Color: carbon grey

  • S undefined
  • M undefined
  • L undefined

Our services :

  • Free delivery for Decathlon brands orders above $399
  • All Decathlon products are eligible for lifetime return

Products benefits

Cycling comfort

Enjoy the raised position, adjustable stem, 100mm suspension and comfort saddle

Ease of use

Adapt your speed with one hand, without thinking: single chainring transmission

Directional control

Manage your trajectory: hydraulic disc brakes, tires and wide handlebars


Lightweight aluminum frame, 29" wheels (27.5" in S), 9-speed single chainring

Lifetime warranty

ROCKRIDER guarantees the frame, handlebars and stem for life.

Technical information


Weight: 14.85 Kg (in size M without pedals)
Frame material: Aluminum
Type: Hardtail
Wheel size: 29" (M / L ), 27.5" (S)
Fork travel: 100mm
Transmission: 1x9
Brakes: Hydraulic
Seatpost: Aluminium
Frame, handlebar and stem warranty: lifetime


S: 14.5 Kg
M: 14.85 Kg
L: 14.95 Kg

Net weight without pedals


Material: Aluminum 6061
Rear axle in 135 mm x 9 mm
QR-type axle
Threaded bottom bracket shell (BSA) 73 mm
Sheaths under protection piece
Seat tube diameter 27.2 mm
Fixing 2 bottle cages (1 on the S) / Luggage rack fixing


Mono chainring 32 teeth (compatible 32 teeth)
170mm crank
"Square axle" bottom bracket

Microshift Advent
Shifter and 9-speed rear derailleur
Cassette 11-42

KMC Z9 chain


U-fit fork, Travel 100mm, Plunger diameter 30 mm
QR-type axle Size 9 x 100mm


29" (M/L), 27.5" (S)
Internal width 19 mm ( external 24mm)
32 spokes (M / L ), 28 spokes (S)
6-hole disc mount
SH cassette body


Hydraulic disc brakes
Tektro TK-M276
Number of pistons: 2
Front disc: 160mm
Rear disc: 160mm


Handlebar: MTB501
Material: Aluminum
Width: 740mm (M / L ), 700mm (S)

Stem: Rockrider
Material: Aluminum
Size: 60mm

Grips: Rockrider SPORT 500

Saddle and Seatpost

Rockrider Ergofit Saddle

Rockrider SPORT seatpost
Material: Aluminium
Diameter 27.2mm
Length 350mm (S/M/L)


CST trail fiend
29"x2.1" (M/L), 27.5"x2.1" (S)
Casing: 60 TPI


Flat pedals

Accessories included

Your mountain bike comes with wheel reflectors and pedals.


Lifetime (frame, stem, handlebars). Availability of spare parts: 2 years.

Product concept & technology

Product Composition

Frame 100% Aluminium Chain 100% Steel


After washing, pass a dry cloth to remove all traces of moisture. Lubricate the transmission, store the mountain bike in a dry, temperate place, away from corrosive products and a saline atmosphere.

User Restrictions

Not suitable for All Mountain, Enduro and BMX mountain biking


Ask your Decathlon store for any tests before purchase.

Approved By

Our engineers systematically have all our products tested by mountain bikers, in real conditions. These tests complement those carried out in the laboratory and thus allow us to validate all our products before they are marketed.

Maintenance advice

Remove weights before washing..

User reviews

Questions & Answers