- Description
- Specifications
- Geometry
Trek 2026 Marlin 5 Gen 3
The world's favourite Trek
Zipping through town, dipping your toes into the trail for the first time or slicing through switchbacks, no matter where you roll, the Marlin is a confidence-inspiring hardtail that’s ready for anything. With versatile trail geometry and Smart Wheel Sizing, this hardtail MTB is built to tackle everything. There’s a good reason it’s the world’s favourite Trek.
Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. It features a trail-savvy frame with a suspension fork, 9-speed Shimano CUES shifting and mounts for a rack and kickstand that make it an ideal choice for trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike.
Trek 2026 Marlin 5 Gen 3
Frame
Size: XS, S, M, L, XL, XXL
Colour: Muslanne Blue, Fury Red or Miami Green/Dark Aquatic Fade
Frame: XS Alpha Silver Aluminium, curved top tube, internal derailleur and dropper post routing, rack and kickstand mount, 135x5 mm ThruSkew, S , M , ML , L , XL , XXL Alpha Silver Aluminium, internal derailleur and dropper post routing, rack and kickstand mount, 135x5 mm ThruSkew
Fork: XS SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 80 mm travel - S SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 100 mm travel - M , ML , L , XL , XXL SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 29" wheel, 100 mm QR, 100 mm travel
Shock:
Drivetrain
Crankset: XS , S , M , ML Shimano CUES U4001, 32T, 52mm chain line, 170 mm length - L , XL , XXL 175mm length
Pedals:
Chain: Shimano LG500
Bottom Bracket: Shimano, 73 mm, threaded cartridge, 122.5 mm spindle
Rear Derailleur: Shimano CUES U4000
Front Derailleur:
Derailleur Shifter: Shimano U4000, 9-speed
Freewheel/Cassette: Shimano LINKGLIDE LG300, 11-46, 9-speed
Braking System
Brakes: Shimano MT200 hydraulic disc
Brake Levers:
Wheels
Tyres:: XS, S Bontrager Montrose Comp, wire bead, 30 tpi, 27.5x2.40" - M, ML, L, XL, XXL 29x2.40"
Wheels/Rims: Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve
Hubs: [F] Formula DC-20, alloy, 6-bolt, 100x5 mm [R] Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm
Other
Handlebar: XS Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width - S Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width - M , ML , L , XL , XXL Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width
Stem: XS , S Bontrager Comp, 31.8 mm, 7-degree, 35 mm length - M , ML , L Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length - XL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 60 mm length - XXL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length
Seat Post: XS , S , M Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length - ML , L , XL , XXL Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
Saddle: Bontrager Verse Short, stainless steel rails
Trek 2026 Marlin 5 Gen 3
All measurements provided in cm unless otherwise stated.
| Frame size number | Frame size letter | Wheel size | A — Seat tube | B — Seat tube angle | Effective seat tube angle | C — Head tube length | D — Head angle | E — Effective top tube | F — Bottom bracket height | G — Bottom bracket drop | H — Chainstay length | I — Offset | J — Trail | K — Wheelbase | L — Standover | M — Frame reach | N — Frame stack |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14.5" | XS | 27.5" | 34.0 | 73.8° | 74.0° | 9.0 | 66.5° | 55.1 | 31.3 | 4.5 | 43.3 | 4.2 | 11.0 | 109.2 | 65.8 | 39.0 | 56.3 |
| 15.5" | S | 27.5" | 37.0 | 73.8° | 74.0° | 10.0 | 66.5° | 57.9 | 31.3 | 4.5 | 43.3 | 4.2 | 11.0 | 112.1 | 69.2 | 41.5 | 57.2 |
| 17.5" | M | 29" | 41.9 | 71.9° | 73.0° | 9.0 | 69.5° | 60.2 | 31.0 | 5.8 | 43.8 | 4.2 | 9.3 | 110.0 | 74.8 | 41.8 | 60.2 |
| 18.5" | ML | 29" | 44.4 | 71.9° | 73.0° | 9.0 | 69.5° | 61.8 | 31.0 | 5.8 | 43.8 | 4.2 | 9.3 | 111.6 | 75.8 | 43.4 | 60.2 |
| 19.5" | L | 29" | 47.0 | 71.9° | 73.0° | 10.0 | 69.5° | 63.8 | 31.0 | 5.8 | 43.8 | 4.2 | 9.3 | 113.7 | 75.7 | 45.1 | 61.1 |
| 21.5" | XL | 29" | 52.1 | 71.9° | 73.0° | 12.0 | 69.5° | 65.9 | 31.0 | 5.8 | 43.8 | 4.2 | 9.3 | 115.9 | 76.9 | 46.6 | 63.0 |
| 23" | XXL | 29" | 55.9 | 71.9° | 73.0° | 12.0 | 69.5° | 67.3 | 31.1 | 5.8 | 43.8 | 4.2 | 9.3 | 117.3 | 80.4 | 48.0 | 63.0 |
*Giant & Liv Bicycles are available for purchase online, but due to warranty regulations, must be shipped to qualified Giant dealers, as bicycles must be assembled by a qualified bike mechanic in an approved store - This is an international policy and usually will require an additional fee to build the bike. This will be confirmed by one of our online staff after purchase of the bike.
*Specialized Bicycles are available for home delivery nation wide.
*AMFLOW Bicycles are available for purchase online, but MUST be collected from the store.
*TREK Bicycles are available for purchase online, but MUST be collected from the store.
