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Trek Marlin 7 Gen 3 — Hardtail Mountain Bike

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SKU: 5295472
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C$1,599.99C$1,199.99
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  • Overview
  • Alpha Silver Aluminum frame with a RockShox Judy Silver fork and 12-speed SRAM SX Eagle shifting. In stock at both Fresh Air Kelowna locations.

Product details

IN STORE PICKUP OR LOCAL DELIVERY ONLY

Whether you're exploring singletrack at Hydraulink Trails or climbing the fire roads around Knox Mountain, the Marlin 7 Gen 3 strikes the perfect balance between capability and affordability. Its confidence-inspiring trail geometry pairs with an upgraded RockShox Judy Silver suspension fork to handle rough terrain with ease, while a wide-range 12-speed SRAM SX Eagle drivetrain and big 2.40" tire clearance keep you moving efficiently from singletrack to city streets. This is a genuine trail bike built for riders ready to take the next step in performance without stretching the budget.

 

 

KEY FEATURES

Frame: Alpha Silver Aluminum frame with internal derailleur and dropper post routing, rack and kickstand mounts, and 135x5mm ThruSkew

Fork: RockShox Judy Silver, Solo Air spring with rebound adjust and TurnKey hydraulic lockout, 80-100mm travel depending on size, wheel size matched to frame size (26"/27.5"/29")

Drivetrain: SRAM SX Eagle 12-speed shifter and rear derailleur with an 11-50t PG-1210 Eagle cassette and 30T SX Eagle crankset

Brakes: Shimano MT200 hydraulic disc brakes, 160-180mm Shimano RT26 rotors depending on size

Cockpit: Bontrager alloy handlebar (size-specific width and rise), Bontrager Comp stem, and a TranzX JD-YSP18 dropper post (100-150mm travel depending on size)

Standout feature: An internally routed dropper post comes standard across all sizes, paired with a genuine RockShox air-spring fork and tubeless-ready wheels

WHO IS THIS FOR?

The Marlin 7 Gen 3 suits riders who want a go-anywhere trail bike with upgrades where they matter most — a proper RockShox fork, wide-range SRAM Eagle drivetrain, and a dropper post — for building skills on trails like Hydraulink or Knox Mountain without breaking the bank. Its slack, confidence-boosting geometry and rack/fender mounts make it especially appealing to riders who want one bike that's stable from singletrack to city streets.

Our team at Fresh Air will help you find the right fit in-store at both Kelowna locations. Stop by to work with one of our experienced staff members, or call 250-763-3425.

HOW TO SET UP

Our team will set up your RockShox Judy Silver fork's air spring pressure and rebound for your weight and riding style, and get your tubeless tire setup dialled in on the Maxxis Ardent tyres for local trail conditions. We'll also set up your TranzX dropper post and handle contact point fit — saddle height and handlebar reach — so your pedaling and descending position both feel natural. Drop into Fresh Air Pandosy (555 Groves Ave) or Fresh Air Dilworth (1656 Dilworth Drive), or book an appointment online.

FAQ

Q1: What size Trek Marlin 7 Gen 3 do I need?
Trek offers the Marlin 7 Gen 3 in seven sizes, XXS through XXL, with wheel size scaled to frame size for optimal handling. Check Trek's geometry chart for exact measurements, or come into either Fresh Air location and our team will get you set up on the right size.

Q2: Is the Marlin 7 Gen 3 right for Hydraulink or Knox Mountain?
Yes — with a genuine RockShox Judy fork, tubeless-ready Maxxis Ardent tyres, and a standard dropper post, the Marlin 7 is well suited to the singletrack and fire roads found at Hydraulink Trails and Knox Mountain.

Q3: How do I set up the suspension on the Marlin 7 Gen 3 for my weight and riding style?
Setup starts with the RockShox Judy Silver fork's Solo Air spring pressure, set for your weight, along with rebound adjustment and the TurnKey lockout for firmer efficiency on climbs. Our team can dial in air pressure and rebound settings in-store to match your riding style.

SPECS

 

FRAMESET

*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

*Fork: Size: XXS
RockShox Judy Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, 100 mm QR, 80 mm 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: XS , S , M , ML , L , XL , XXL
RockShox Judy Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, 100 mm QR, 100 mm 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

Max Compatible Fork Travel: 120mm, XXS: 80mm

WHEELS

Hub Front: Formula DC-20 LW, alloy, 6-bolt, 5x100mm QR

Hub Rear: Formula DC-22LW, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR

Skewer Rear: 173x5mm QR

Rim: Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23mm width, Presta valve

*Tire: 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''

Max Tire Size: Frame: 29x2.40" (XXS: 26x2.40", XS & S: 27.5x2.40"), Fork: See manufacturer

E SYSTEM

Battery: Bosch CompactTube 400Wh

Charger: Bosch standard 2A, 110V, smart system

Computer: Bosch Purion 200

Motor: Bosch Purion 200

DRIVETRAIN

Shifter: SRAM SX Eagle, 12 speed

Rear Derailleur: SRAM SX Eagle

*Crank: Size: XXS
SRAM SX Eagle, 30T steel ring (49mm chainline), 155 mm length

Size: XS , S , M
SRAM SX Eagle, 30T steel ring (49mm chainline), 170 mm length

Size: ML , L , XL , XXL
SRAM SX Eagle, 30T steel ring (49mm chainline), 175 mm length

Bottom Bracket: Truvativ Powerspline, 73mm, threaded cartridge, 118mm spindle

Cassette: SRAM PG-1210 Eagle, 11-50, 12 speed

Chain: SRAM SX Eagle, 12 speed

Pedal: VP-536 nylon platform

Max Chainring Size: 1x: 34T, 2x: 36/22

COMPONENTS

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, 31.6 mm, 425 mm length

Size: ML , L , XL , XXL
TranzX JD-YSP18, 150mm travel, internal routing, 31.6mm, 470mm 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

*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

Headset: 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

Rotor Size: Max brake rotor sizes - Frame: 180mm (XXS: 160mm), Fork: see fork manufacturer

 

 

 

 

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