The Trek Marlin 7 is your best friend on the trail and wherever else you roll thanks to its confidence-boosting trail geometry. It finds 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 the huge gearing range of a SRAM 12-speed SX Eagle drivetrain.
Sunset Cycles offers the 2025 Trek Marlin 7 Gen 3 hardtail bike in Pennyflake finish with free delivery.
The 2025 Trek MARLIN (GEN 3) range: Marlin 5 Gen 3 (Black) | Marlin 5 Gen 3 (Green) | Marlin 5 Gen 3 (Purple) | Marlin 6 Gen 3 (Green) | Marlin 6 Gen 3 (Lava) | Marlin 6 Gen 3 (Red/Blue) | Marlin 7 Gen 3 (Keswick) | Marlin 7 Gen 3 (Pennyflake) | Marlin 7 Gen 3 (White)
| Frame & Fork | |
| 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 Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 80 mm travel Size: XS , S RockShox Judy Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 100 mm travel Size: M , ML , L , XL , XXL RockShox Judy Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, 46 mm offset for 29" wheel, 100 mm QR, 100 mm travel |
| Wheels & Tyres | |
| Hub front | Formula DC-20 LW, alloy, 6-bolt, 5x100 mm QR |
| Hub rear | Formula DC-22LW, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR |
| Rim | Bontrager Kovee, double-wall, Tubeless-Ready, 28-hole, 23 mm width, Presta valve |
| Tyre | 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" |
| Drivetrain | |
| Shifter | SRAM SX Eagle, 12-speed |
| Rear derailleur | SRAM SX Eagle, 12-speed |
| Crank | Size: XXS SRAM SX Eagle, 30T steel ring, 49 mm chainline, 155 mm length Size: XS , S , M SRAM SX Eagle, 30T steel ring, 49 mm chainline, 170 mm length Size: ML , L , XL , XXL SRAM SX Eagle, 30T steel ring, 49 mm chainline, 175 mm length |
| Bottom bracket | Truvativ Powerspline, 73 mm, threaded cartridge, 118 mm spindle |
| Cassette | SRAM PG-1210 Eagle, 11-50, 12-speed |
| Chain | SRAM SX Eagle, 12-speed |
| Pedal | VP-536 nylon platform |
| Components | |
| Saddle | Bontrager Verse Short, stainless steel rails |
| Seatpost | Size: XXS , XS , S TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length Size: M TranzX JD-YSP18, 130 mm travel, internal routing, 31.6 mm, 425 mm length Size: ML , L , XL , XXL TranzX JD-YSP18, 150 mm travel, internal routing, 31.6 mm, 470 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 Comp, 31.8 mm, 7-degree, 35 mm length Size: M , ML , L Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length Size: XL Bontrager Comp, 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 |
| Weight | |
| Weight | M - 15.03 kg / 33.14 lbs (with TLR sealant, no tubes) |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |
| Frame Size | Rider Height* (metric) | Rider Height* (imperial) |
| XX Small | 135 - 145 cm | 4'5" - 4'9" |
| X Small | 145 - 155 cm | 4'9" - 5'1" |
| Small | 155 - 165 cm | 5'1" - 5'5" |
| Medium | 165 - 176 cm | 5'5" - 5'9" |
| Medium/Large | 173 - 180 cm | 5'8" - 5'11" |
| Large | 177 - 188 cm | 5'10" - 6'2" |
| X Large | 188 - 195 cm | 6'2" - 6'5" |
| XX Large | 195 - 203 cm | 6'5" - 6'8" |
| *This is for guidance only. You may be taller or shorter, it doesn't mean our bikes will not fit you. The best way to determine the correct bike size for you is to try one. Please contact us if you are in any doubt about the correct bike size for you. | ||