TREK MARLIN 7 GEN 3 BIKE
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.
FEATURES
- You get real-deal modern mountain bike geometry that keeps handling confident when you’re on singletrack, but is versatile enough for use on roads and bike trails too
- Its upgraded RockShox fork gives you 100 mm of suspension for turning rocks and roots in the trail into smooth-sailing
- Rack and mudguard mounts make it easy to accessorise, so your mountain bike can double as a rugged commuter
- Internal routing makes it easy to add a dropper post that lets you lower your saddle on the fly for more confident descending
- Marlin models in sizes XXS and XS have a curved top tube and lower standover height that makes it easier for smaller riders to mount and dismount
TECH SPECS
Frameset
- Frame:
- Size: XXS , XS: Alpha Silver Aluminium, curved top tube, internal derailleur and dropper post routing, rack and kickstand mount, 135×5 mm ThruSkew
- Size: S , M , ML , L , XL , XXL: Alpha Silver Aluminium, internal derailleur and dropper post routing, rack and kickstand mount, 135×5 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
Wheels
- Hub front: Formula DC-20, alloy, 6-bolt, 100 mm ThruSkew
- Hub rear: Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135×5 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, 26×2.35″
- Size: XS , S: Bontrager XT3 Comp, wire bead, 30 tpi, 27.5×2.40″
- Size: M , ML , L , XL , XXL: Bontrager XT3 Comp, wire bead, 30 tpi, 29×2.40″
Drivetrain
- 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
Components
- 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
Weight
- 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)
| Sizing Table | |||||||
|---|---|---|---|---|---|---|---|
| Frame size number | 14.5″ | 15.5″ | 17.5″ | 18.5″ | 19.5″ | 21.5″ | 23.0″ |
| Frame size letter | XS | S | M | ML | L | XL | XXL |
| Wheel size | 27.5″ | 27.5″ | 29″ | 29″ | 29″ | 29″ | 29″ |
| A — Seat tube | 34.0 | 37.0 | 42.0 | 43.5 | 45.0 | 50.0 | 54.0 |
| B — Seat tube angle | 73.8° | 73.8° | 73.4° | 73.4° | 73.4° | 73.4° | 73.4° |
| Effective seat tube angle | 74.0° | 74.0° | 74.0° | 74.0° | 74.0° | 74.0° | 74.0° |
| C — Head tube length | 9.0 | 10.0 | 10.5 | 11.0 | 11.5 | 13.5 | 15.0 |
| D — Head angle | 66.5° | 66.5° | 66.5° | 66.5° | 66.5° | 66.5° | 66.5° |
| E — Effective top tube | 55.1 | 57.9 | 61.5 | 63.1 | 64.7 | 67.8 | 70.7 |
| F — Bottom bracket height | 31.3 | 31.3 | 30.8 | 30.8 | 30.8 | 30.8 | 30.8 |
| G — Bottom bracket drop | 4.5 | 4.5 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 |
| H — Chainstay length | 43.3 | 43.3 | 43.8 | 43.8 | 43.8 | 43.8 | 43.8 |
| I — Offset | 4.2 | 4.2 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 |
| J — Trail | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| K — Wheelbase | 109.2 | 112.1 | 116.3 | 118.0 | 119.7 | 123.0 | 126.1 |
| L — Standover | 65.8 | 69.2 | 74.7 | 75.9 | 77.1 | 79.1 | 81.6 |
| M — Frame reach | 39.0 | 41.5 | 44.0 | 45.5 | 47.0 | 49.5 | 52.0 |
| N — Frame stack | 56.3 | 57.2 | 60.9 | 61.4 | 61.8 | 63.7 | 65.1 |


































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