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Overview
Features
Specs
Sizing
Geometry

It's so perfect

If you're in the market for an affordable introductory mountain bike that also doubles as a rugged commuter capable of handling curb hops on your way to class, then the Marlin 4 is the perfect choice for you.

The technology you get

Featuring a lightweight aluminum frame with internal routing for cable protection and a sleek appearance, the Marlin 4 offers dependable 14-speed Shimano shifting with a wide range of gearing options to tackle various terrains effortlessly. With powerful hydraulic disc brakes and a suspension fork that smooths out bumps and rough terrain, this bike ensures a comfortable and controlled riding experience.

Generally

The Marlin is built to tackle any adventure, whether it's hitting the trails or cruising around town. With rack and mudguard mounts, it's an excellent option for commuters looking to add a bit of excitement to their journey to class or the shops.

 

Why you would prefer it

The Marlin is built to tackle any adventure, whether it's hitting the trails or cruising around town. With rack and mudguard mounts, it's an excellent option for commuters looking to add a bit of excitement to their journey to class or the shops.

The Walkthrough

Top curved tube

Top curved tube

Smaller tyres in sizes XS and S have a top tube that lowers down towards the seat tube. And this geometry provides a lower standing height. This feature is suitable for short riders as it allows them to align their bike professionally. Tires in sizes M and L have a straight top tube, as taller riders don't have the same issues with standing height.

 
Suitable for every cyclist

Suitable for every cyclist

Trek releases the Marlin 4 bike in seven sizes to fit riders of different heights. The size of this bike enables you to go at high speeds. The Marlin bikes with small sizes come with shorter brake levers and a narrower steering wheel to help riders cruise in comfort and control.

 
Technology and high value

Technology and high value

This bike has many features that you can only get on higher-priced bikes, such as a sleek frame, internal cable routing, and a brake cable to protect your little ones from the weather and give the bike a nice look.

 
Frameset

*Frame Size: XS , S
Alpha Silver Aluminium, curved top tube, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5 mm QR
Size: M , ML , L , XL , XXL
Alpha Silver Aluminium, internal routing, chainstay disc-brake mount, rack and kickstand mount, 135x5 mm QR
*Fork Size: XS
SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5" wheel, 100 mm QR, 80 mm travel
Size: S
SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5" wheel, 100 mm QR, 100 mm travel
Size: M , ML , L , XL , XXL
SR Suntour XCE 28, coil spring, preload, 46 mm offset for 29" wheel, 100 mm QR, 100 mm travel
Max compatible fork travel 100mm (XS and S: 490mm axle-to-crown, M and up: 509mm axle-to-crown)

Wheels

Hub front Formula DC-20, alloy, 6-bolt, 5x100 mm QR
Hub rear Formula DC-31, alloy, 6-bolt, 6/7/8-speed freewheel, 135x5 mm QR
Skewer rear 152x5 mm QR
Rim Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve
*Tyre Size: XS , S
Bontrager XR2 Comp, wire bead, 30 tpi, 27.5x2.20"
Size: M , ML , L , XL , XXL
Bontrager XR2 Comp, wire bead, 30 tpi, 29x2.20"
Size: M , ML , L , XL , XXL
Bontrager XR2 Comp, wire bead, 30 tpi, 29x2.00"
Max tyre size Frame: 29x2.20" (XS & S: 27.5x2.40"), Fork: See manufacturer

Drivetrain

Shifter Shimano Altus EF500, 7-speed
Front derailleur Shimano Tourney TY300, 34.9 mm clamp, down swing, down pull
Rear derailleur Shimano Tourney TY300
*Crank Size: XS , S , M
Shimano Tourney TY301, 42/34/24, 170 mm length
Size: ML , L , XL , XXL
Shimano Tourney TY301, 42/34/24, 175 mm length
*Bottom bracket Size: XS , S , M , ML , L , XL , XXL
VP BC73, 73 mm, threaded cartridge
Size: XS , S , M , ML , L , XL , XXL
Sealed cartridge, 73mm
Cassette Shimano TZ500, 14-28, 7--speed
Chain KMC Z7, 7-speed
Pedal VP-536 nylon platform
Max. chainring size 1x/2x: 34T, 3x: 42T

Components

Saddle Bontrager Arvada, steel rails, 138 mm width
*Seatpost Size: XS , S
Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length
Size: M
Bontrager alloy, 31.6 mm, 12 mm offset, 360 mm length
Size: ML , L , XL , XXL
Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
*Handlebar Size: XS , S
Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width
Size: M , ML , L , XL , XXL
Bontrager alloy, 31.8 mm, 5 mm rise, 720 mm width
*Grips Size: XS , S , M , ML , L , XL , XXL
Bontrager XR Endurance Comp
Size: XS , S , M , ML , L , XL , XXL
Bontrager XR Endurance Comp, lock-on
*Stem Size: XS
Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 50 mm length
Size: S
Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length
Size: M
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length
Size: ML , L
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 80 mm length
Size: XL , XXL
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 90 mm length
Head set Semi-integrated, 1-1/8"
*Brake Size: XS , S , M , ML , L , XL , XXL
Tektro MD-M280 mechanical disc, 160 mm rotor
Size: XS , S , M , ML , L , XL , XXL
Tektro MD-M281 mechanical disc, 160 mm rotor

Weight

Weight M - 14.40 kg / 31.75 lb
Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. The prices shown are the manufacturer's suggested retail prices.

Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.

Size Rider Height Inseam
XS

145 - 155 cm

4'9" - 5' 1"

69 - 73 cm

27" - 29"

S

155 - 165 cm

5'1" - 5'5"

74 - 78 cm

29" - 31"

M

165 - 176 cm

5' 5" - 5'9"

79 - 83 cm

31" - 33"

M/L

173 - 180 cm

5'8" - 5' 11"

81 - 86 cm

32" - 34"

L

177 - 188 cm

5'10" - 6'2"

84 - 89 cm

33" - 35"

XL

188 - 195 cm

6' 2" - 6'5"

89 - 91 cm

35" - 36"

2XL

195 - 203 cm

6'5" - 6' 8"

91 - 97 cm

36" - 38"

All measurements provided in cm unless otherwise noted.

Sizing table
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
XS 27.5" 34.0 73.1° 74.7° 9.0 65.0° 55.2 31.9 4.5 43.0 4.2 12.2 112.0 72.9 39.0 59.1
S 29" 36.0 73.1° 74.7° 9.0 65.0° 58.6 32.1 6.1 43.0 4.2 13.1 115.1 74.1 41.5 62.6
M 29" 42.0 73.1° 74.7° 10.0 65.0° 61.4 32.1 6.1 43.0 4.2 13.1 118.1 74.8 44.0 63.5
ML 29" 43.5 73.1° 74.7° 10.5 65.0° 63.0 32.2 6.1 43.0 4.2 13.1 119.8 74.2 45.5 63.9
L 29" 45.0 73.1° 74.7° 11.0 65.0° 64.6 32.1 6.1 43.0 4.2 13.1 121.5 75.5 47.0 64.4
XL 29" 50.0 73.1° 74.7° 13.5 65.0° 67.7 32.2 6.1 43.0 4.2 13.1 125.0 76.5 49.5 66.6

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