Trek Marlin 5 Gen 3
$509.00
The Trek Marlin 5 Gen 3 is an aluminum cross-country mountain bike with an Alpha Silver Aluminum frame, SR Suntour XCT 30 suspension fork, Shimano CUES 9-speed drivetrain, Bontrager Connection double-wall rims, Bontrager Montrose Comp tires, and Shimano MT200 hydraulic disc brakes.
Trek Marlin 5 Gen 3 Overview
The Trek Marlin 5 Gen 3 is an aluminum cross-country mountain bike built with an Alpha Silver Aluminum frame, SR Suntour XCT 30 fork, and Shimano CUES 9-speed drivetrain. The frame uses internal derailleur and dropper post routing, rack and kickstand mount, and 135x5mm ThruSkew spacing.
Front suspension comes from an SR Suntour XCT 30 fork with coil spring, preload adjustment, hydraulic lockout, and 100mm QR. Size XS uses 80mm of fork travel, while sizes S, M, ML, L, XL, and XXL use 100mm of fork travel.
The drivetrain combines a Shimano U4000 9-speed shifter, Shimano CUES U4000 rear derailleur, Shimano LINKGLIDE LG300 11-46T 9-speed cassette, and Shimano LG500 chain. The Shimano CUES U4001 crankset uses a 32T chainring and 52mm chainline, with 170mm crank length on sizes XS, S, M, and ML, and 175mm crank length on sizes L, XL, and XXL.
The wheel setup uses Formula alloy 6-bolt hubs with Bontrager Connection double-wall rims, 14g black stainless steel spokes, and Schrader valves. Tire sizing is size specific, with Bontrager Montrose Comp 27.5×2.4” tires on XS and S, and Bontrager Montrose Comp 29×2.4” tires on M, ML, L, XL, and XXL.
Braking is handled by Shimano MT200 hydraulic disc brakes with Shimano RT26 6-bolt rotors. Finishing parts include a Bontrager Verse Short saddle with stainless steel rails, Bontrager alloy seatpost, Bontrager alloy handlebar, Trek Line Comp lock-on grips, Bontrager Comp stem, and VP-536 nylon platform pedals.
Key Features of Trek Marlin 5 Gen 3
- Alpha Silver Aluminum frame includes internal derailleur and dropper post routing, plus rack and kickstand mount.
- SR Suntour XCT 30 fork uses a coil spring, preload adjustment, hydraulic lockout, and size-specific travel.
- Shimano CUES 9-speed drivetrain pairs a Shimano U4000 shifter with a Shimano CUES U4000 rear derailleur.
- Shimano LINKGLIDE LG300 11-46T cassette gives the drivetrain a wide 9-speed gear range.
- Bontrager Connection double-wall rims use 32-hole construction and Schrader valves.
- Bontrager Montrose Comp tires use wire beads and 30 tpi construction.
- Bontrager alloy cockpit parts are size specific across the handlebar, stem, and seatpost.
- Shimano MT200 hydraulic disc brakes are paired with Shimano RT26 6-bolt rotors.
Ride Use
This bike fits the cross-country mountain bike category, with an Alpha Silver Aluminum frame, SR Suntour XCT 30 suspension fork, Shimano CUES 9-speed drivetrain, and Bontrager Montrose Comp tires. The Shimano hydraulic disc brakes, wide-range 11-46T cassette, and size-specific wheel setup support XC riding with practical off-road control features.
Why Choose This Bike
Choose this bike for a cross-country mountain bike build centered on an Alpha Silver Aluminum frame, SR Suntour XCT 30 fork, Shimano CUES 9-speed drivetrain, and Shimano MT200 hydraulic disc brakes. It also includes Formula alloy hubs, Bontrager Connection double-wall rims, Bontrager Montrose Comp tires, Bontrager alloy cockpit parts, and VP-536 nylon platform pedals. It comes in Mulsanne Blue, Fury Red, and Miami Green, with a size M weight of 15.10 kg / 33.29 lbs.
Product Specifications
| Feature | Details |
|---|---|
| Brand | Trek |
| Model | Marlin 5 Gen 3 |
| Bike Type | Cross Country Mountain Bike |
| Frame | Alpha Silver Aluminum, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew. Size XS uses a curved top tube. |
| Fork | SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 100mm QR. Size XS uses 42mm offset for 27.5'' wheel and 80mm travel. Size S uses 42mm offset for 27.5'' wheel and 100mm travel. Sizes M, ML, L, XL, and XXL use 42mm offset for 29'' wheel and 100mm travel. |
| Front Hub | Formula DC-20, alloy, 6-bolt, 100x5mm |
| Front Skewer | Trek Thru-Skew |
| Rear Hub | Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm |
| Rear Skewer | 173x5mm QR |
| Rim | Bontrager Connection, double-wall, 32-hole, 20mm width, Schrader valve |
| Spokes | 14g stainless steel, black |
| Tire | Bontrager Montrose Comp, wire bead, 30 tpi. Sizes XS and S use 27.5x2.4''. Sizes M, ML, L, XL, and XXL use 29x2.4''. |
| Shifter | Shimano U4000, 9 speed |
| Rear Derailleur | Shimano CUES U4000 |
| Crankset | Shimano CUES U4001, 32T, 52mm chainline. 170mm length on XS, S, M, ML; 175mm length on L, XL, XXL. |
| Bottom Bracket | Shimano, 73mm, threaded cartridge, 122.5mm spindle |
| Cassette | Shimano LINKGLIDE LG300, 11-46, 9 speed |
| Chain | Shimano LG500, 9/10/11 speed |
| Pedal | VP-536 nylon platform |
| Saddle | Bontrager Verse Short, stainless steel rails |
| Seatpost | Bontrager alloy, 31.6mm, 12mm offset. 330mm length on XS, S, M; 400mm length on ML, L, XL, XXL. |
| Handlebar | Bontrager alloy, 31.8mm. Size XS: 5mm rise, 690mm width. Size S: 15mm rise, 720mm width. Sizes M, ML, L, XL, XXL: 15mm rise, 750mm width. |
| Grips | Trek Line Comp, nylon lock-on |
| Stem | Bontrager Comp, 31.8mm, 7 degree. 35mm length on XS, S; 50mm length on M, ML, L; 60mm length on XL; 70mm length on XXL. |
| Headset | Semi-integrated, 1-1/8'' |
| Brake | Shimano MT200 hydraulic disc |
| Brake Rotor | Shimano RT26, 6-bolt, 160mm on XS, S, M, ML, L, XL, XXL; Shimano RT26, 6-bolt, 180mm on M, ML, L, XL, XXL. |
| Brake Set | Shimano MT200 hydraulic disc |
| Weight | M - 15.10 kg / 33.29 lbs |
| Weight Limit | Maximum total weight limit: 300 pounds / 136 kg, combined weight of bicycle, rider, and cargo |
| Color | Mulsanne Blue, Fury Red, Miami Green |
| Manufacturer Warranty | Trek frames and full-suspension swing arms are covered for the lifetime of the original owner. Other parts are covered under Trek’s limited warranty. |
FAQ's Trek Marlin 5 Gen 3
What frame does the Trek Marlin 5 Gen 3 use?
This bike uses an Alpha Silver Aluminum frame with internal derailleur and dropper post routing, rack and kickstand mount, and 135x5mm ThruSkew. Size XS uses a curved top tube, while sizes S through XXL use the standard Alpha Silver Aluminum frame layout.
What drivetrain is on the Trek Marlin 5 Gen 3?
The bike uses a Shimano CUES 9-speed drivetrain. It includes a Shimano U4000 shifter, Shimano CUES U4000 rear derailleur, Shimano LINKGLIDE LG300 11-46T cassette, Shimano LG500 chain, and Shimano CUES U4001 crankset with a 32T chainring.
What wheels and tires come on the Trek Marlin 5 Gen 3?
The bike uses Formula alloy 6-bolt hubs with Bontrager Connection double-wall rims. Sizes XS and S use Bontrager Montrose Comp 27.5x2.4'' tires, while sizes M, ML, L, XL, and XXL use Bontrager Montrose Comp 29x2.4'' tires.
What is the weight of the Trek Marlin 5 Gen 3?
The size M weight is 15.10 kg / 33.29 lbs. The maximum total weight limit is 300 pounds / 136 kg, including the bicycle, rider, and cargo.
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