Trek Marlin 7 Gen 3 Galactic Grey

Trek Marlin 7 Gen 3 Galactic Grey

Trek Marlin 7 Gen 3 Galactic Grey
Available Size
M/L (29" wheel)

See our bike sizes guide HERE

Marlin 7 is your best friend on the trail and wherever else you roll thanks to its confidence-boosting trail geometry. It offers the perfect balance between price and performance with an upgraded RockShox suspension fork that makes quick work of rocks and bumps in your path and precise Shimano Deore shifting.

It's right for you if...

You want a go-anywhere trail bike that's got upgrades where it matters most, but won't break the bank. You want to build skills on the trail, and need a bike with confidence-inspiring geometry.

The tech you get:

A lightweight aluminium frame with modern trail riding geometry and internal routing that keeps cables protected and keeps the bike looking sleek. An upgraded RockShox suspension fork that smooths out rowdy trails, 10-speed fuss-free Shimano Deore shifting and the serious stopping power of hydraulic disc brakes.

The final word:

The Marlin 7 is the go-to trail bike for those wanting to build skills on the singletrack and get the best bang for their bucks with upgraded suspension and confidence-inspiring geometry.

Frame: Size: XXS , XS
Alpha Silver Aluminium, curved top tube, internal derailleur and dropper post routing, rack and kickstand mount, 135x5 mm ThruSkew

Size: S , M , ML , L , XL , XXL
Alpha Silver Aluminium, internal derailleur and dropper post routing, rack and kickstand mount, 135x5 mm ThruSkew

*Fork: Size: XXS
RockShox Judy, coil spring, preload, TurnKey lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 80 mm travel

Size: XS , S
RockShox Judy, coil spring, preload, TurnKey lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 100 mm travel

Size: M , ML , L , XL , XXL
RockShox Judy, coil spring, preload, TurnKey lockout, 46 mm offset for 29" wheel, 100 mm QR, 100 mm travel

Max compatible fork travel: 120mm, XXS: 80mm

Hub front: Formula DC-20, alloy, 6-bolt, 100 mm ThruSkew

Hub rear: Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR

Skewer rear: Bontrager Switch thru axle

*Rim Size: XXS , XS , S
Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23 mm width, Presta valve

Size: M , ML , L , XL , XXL
Bontrager Kovee, double-wall, Tubeless-Ready, 28-hole, 23 mm width, Presta valve

*Tyre Size: XXS
Bontrager XT3 Comp, wire bead, 30 tpi, 26x2.35"

Size: XS , S
Bontrager XT3 Comp, wire bead, 30 tpi, 27.5x2.40"

Size: M , ML , L , XL , XXL
Bontrager XT3 Comp, wire bead, 30 tpi, 29x2.40"

Max tyre size: Frame: 29x2.40" (XXS: 26x2.40", XS & S: 27.5x2.40"), Fork: See manufacturer

Shifter: Shimano Deore M4100, 10 speed

Rear derailleur: Shimano Deore M5120, long cage

*Crank Size: XXS
FSA Alpha Drive, 28T steel ring, Boost, 160 mm length

Size: XS , S , M
FSA Alpha Drive, 28T steel ring, Boost, 170 mm length

Size: ML , L , XL , XXL
FSA Alpha Drive, 28T steel ring, Boost, 175 mm length

Bottom bracket: FSA, 73 mm, threaded cartridge, 122.5 mm spindle

Cassette: Shimano Deore M4100, 11-46, 10-speed

Chain: KMC X10, 10-speed

Pedal: VP-536 nylon platform

Max. chainring size: 1x: 34T, 2x: 36/22

Saddle: Bontrager Arvada, steel rails, 138 mm width

*Seatpost Size: XXS
Bontrager alloy, 31.6 mm, 12 mm offset, 300 mm length

Size: XS , S , M
Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length

Size: ML , L , XL , XXL
Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length

*Handlebar Size: XXS , XS
Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width

Size: S
Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width

Size: M , ML , L , XL , XXL
Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width

Grips: Bontrager XR Trail Comp, nylon lock-on

*Stem Size: XXS , XS , S
Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 35 mm length

Size: M , ML , L
Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 50 mm length

Size: XL
Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length

Size: XXL
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length

Head set: Semi-integrated, 1-1/8"

Brake: Shimano MT200 hydraulic disc

*Brake rotor Size: XXS , XS , S , M , ML , L , XL , XXL
Shimano RT26, 6-bolt,160 mm

Size: M , ML , L , XL , XXL
Shimano RT26, 6-bolt,180 mm

Brake Set: Shimano MT200 hydraulic disc

Rotor size: Max brake rotor sizes - Frame: 180mm (XXS: 160mm), Fork: see fork manufacturer

Weight: M - 14.60 kg / 32.19 lbs

Weight limit: This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lbs).

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.

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