Trek Marlin 7 Gen 3 2025
2025 Mountain
Estimate price |
1,337$
Weight | 15.03 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Travel Front 80mm -
Fork RockShox Judy Silver TK
-
Groupset SX Eagle -
Suspension Hardtail -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Size: XXS, XS, Alpha Silver Aluminum, curved top tube, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew; Size: S, M, ML, L, XL, XXL, Alpha Silver Aluminum, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew
Suspension Fork
Size: XXS, RockShox Judy Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, 42mm offset for 27.5'' wheel, 100mm QR, 80mm travel; Size: XS, S, RockShox Judy Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel; Size: M, ML, L, XL, XXL, RockShox Judy Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, 46mm offset for 29'' wheel, 100mm QR, 100mm travel
Drivetrain
Rear Derailleur
SRAM SX Eagle, 12 speed
Shift Levers
SRAM SX Eagle, 12 speed
Cassette
SRAM PG-1210 Eagle, 11-50, 12 speed
Crank
Size: XXS, SRAM SX Eagle, 30T steel ring, 49mm chainline, 155mm length; Size: XS, S, M, SRAM SX Eagle, 30T steel ring, 49mm chainline, 170mm length; Size: ML, L, XL, XXL, SRAM SX Eagle, 30T steel ring, 49mm chainline, 175mm length
Bottom Bracket
Truvativ Powerspline, 73mm, threaded cartridge, 118mm spindle
Chain
SRAM SX Eagle, 12 speed
Pedals
VP-536 nylon platform
Wheels
Front Hub
Formula DC-20 LW, alloy, 6-bolt, 5x100mm QR
Rear Hub
Formula DC-22LW, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR
Rims
Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23mm width, Presta valve
Tires
Size: XXS, Maxxis Ardent, tubeless ready, EXO casing, folding bead, 60tpi, 26x2.40''; Size: XS, S, Maxxis Ardent, tubeless ready, EXO casing, folding bead, 60tpi, 27.5x2.40''; Size: M, ML, L, XL, XXL, Maxxis Ardent, tubeless ready, EXO casing, folding bead, 60tpi, 29x2.40''
Brakes
Brakes
Shimano MT200 hydraulic disc
Cockpit
Stem
Size: XXS, XS, S, Bontrager Comp, 31.8mm, 7 degree, 35mm length; Size: M, ML, L, Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length; Size: XL, Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length; Size: XXL, Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 70mm length
Handlebar
Size: XXS, XS, Bontrager alloy, 31.8mm, 5mm rise, 690mm width; Size: S, Bontrager alloy, 31.8mm, 15mm rise, 720mm width; Size: M, ML, L, XL, XXL, Bontrager alloy, 31.8mm, 15mm rise, 750mm width
Grips
Bontrager XR Trail Comp, nylon lock-on
Headset
Semi-integrated, 1-1/8''
Seat
Saddle
Bontrager Verse Short, stainless steel rails
Seatpost
Size: XXS, XS, S, TranzX JD-YSP18, 100mm travel, internal routing, 31.6mm, 361mm length; Size: M, TranzX JD-YSP18, 130mm travel, internal routing, 31.6mm, 425mm length; Size: ML, L, XL, XXL, TranzX JD-YSP18, 150mm travel, internal routing, 31.6mm, 470mm length
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 14.5" | 15.5" | 17.5" | 18.5" | 19.5" | 21.5" |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.444 mm | 1.378 mm | 1.384 mm | 1.349 mm | 1.315 mm | 1.287 mm |
| Bottom Bracket Height | 313 mm | 313 mm | 308 mm | 308 mm | 308 mm | 308 mm |
| Front Center | 663 mm | 692 mm | 732 mm | 749 mm | 765 mm | 798 mm |
| Rake | 42 mm | 42 mm | 46 mm | 46 mm | 46 mm | 46 mm |
| Trail | 110 mm | 110 mm | 110 mm | 110 mm | 110 mm | 110 mm |
| Stack | 563 mm | 572 mm | 609 mm | 614 mm | 618 mm | 637 mm |
| Reach | 390 mm | 415 mm | 440 mm | 455 mm | 470 mm | 495 mm |
| Top Tube Length | 551 mm | 579 mm | 615 mm | 631 mm | 647 mm | 678 mm |
| Seat Tube Angle | 74 ° | 74 ° | 74 ° | 74 ° | 74 ° | 74 ° |
| Seat Tube Length | 340 mm | 370 mm | 420 mm | 435 mm | 450 mm | 500 mm |
| Head Tube Angle | 66.5 ° | 66.5 ° | 66.5 ° | 66.5 ° | 66.5 ° | 66.5 ° |
| Head Tube Length | 90 mm | 100 mm | 105 mm | 110 mm | 115 mm | 135 mm |
| Chainstay Length | 433 mm | 433 mm | 438 mm | 438 mm | 438 mm | 438 mm |
| Wheelbase | 1092 mm | 1121 mm | 1163 mm | 1180 mm | 1197 mm | 1230 mm |
| Bottom Bracket Drop | 45 mm | 45 mm | 60 mm | 60 mm | 60 mm | 60 mm |
| Standover Height | 658 mm | 692 mm | 747 mm | 759 mm | 771 mm | 791 mm |
| Wheels | 27" | 27" | 29" | 29" | 29" | 29" |