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Overview
Features
Specs
Sizing
Geometry

It's so perfect

This bike is perfect for new riders who want to blast off the trails with a versatile, racing-purpose mountain bike that makes a big difference in performance with quality front cranks and an X1 drivetrain.

Technology you get

The Trek Marlin 7 comes equipped with a lightweight frame with internal shift cable and tube brakes, a smoother-feeling RockShox assist, Shimano hydraulic disc brakes, Bontrager wheels, and a simple X1 drivetrain for easier operation and higher performance, with the ability to add more gears that a cyclist needs to climb hills.

Generally

The RockShox front assist and range of gears and parts on this bike make it the perfect choice for new mountain bikers to embark on big adventures and fun races.

 

Why would you like it?

The RockShox front assist and range of gears and parts on this bike make it the perfect choice for new mountain bikers to embark on big adventures and fun races.

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.

 
Perfect for every Rider

Perfect for every Rider

This bike comes in 7 tires of different sizes to suit riders of heights. The smart wheel size is suitable for faster bikes and is ideal for racing. The smaller sizes of this bike come with shorter brakes and narrower handlebars that give smaller riders more comfort and better control.

 
High technology, high value

High technology, 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
RockShox Judy, coil spring, preload, TurnKey lockout, 42mm offset, 100mm QR, 80mm travel
Size: XS
RockShox Judy, coil spring, preload, TurnKey lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 80 mm travel
Size: S
RockShox Judy, coil spring, preload, TurnKey lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 100 mm travel
Size: M , ML , L , XL , XXL
RockShox Judy, coil spring, preload, TurnKey lockout, 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-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR
Skewer rear 152x5 mm QR
Rim Bontrager Connection, double-wall, 32-hole, 20 mm width, Presta valve
Spokes 14 g stainless steel
*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"
Max tyre size Frame: 29x2.20" (XS & S: 27.5x2.40"), Fork: See manufacturer

Drivetrain

Shifter Shimano Deore M4100, 10 speed
Rear derailleur Shimano Deore M5120, long cage
*Crank Size: XS , S , M
FSA Alpha Drive, 28T steel ring, Boost, 170 mm length
Size: ML , L , XL , XXL
FSA Alpha Drive, 28T steel ring, Boost, 175 mm length
Bottom bracket FSA, 73 mm, threaded cartridge, 122.5 mm spindle
Cassette Shimano Deore M4100, 11-46, 10-speed
Chain KMC X10, 10-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 , M
Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length
Size: ML , L , XL , XXL
Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
*Handlebar Size: XS
Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width
Size: S , M , ML , L , XL , XXL
Bontrager alloy, 31.8 mm, 5 mm rise, 720 mm width
Grips Bontrager XR Trail Comp, nylon 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 Shimano MT200 hydraulic disc
*Brake rotor Size: XS , S , M , ML , L , XL , XXL
Shimano RT26, 6-bolt,160 mm
Size: L , XL , XXL
Shimano RT26, 6-bolt,180 mm
Brake Set Shimano MT200 hydraulic disc

Weight

Weight M - 13.47 kg/29.7 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"

Sizing table
Frame size number 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
13.5 XS 27.5" 34.3 73.5° 73.5° 9.0 69.3° 54.4 29.2 5.8 43.8 4.2 8.8 104.9 65.8 37.6 56.5
15.5 S 27.5" 36.8 73.5° 73.5° 9.0 69.3° 55.5 30.2 4.8 43.8 4.2 8.8 106.6 68.6 38.5 57.4
17.5 M 29" 41.9 71.9° 73.0° 9.0 69.5° 60.2 31 5.8 43.8 4.2 9.3 110.0 74.8 41.8 60.2
18.5 ML 29" 44.4 71.9° 73.0° 9.0 69.5° 61.8 31 5.8 43.8 4.2 9.3 111.6 75.8 43.4 60.2
19.5 L 29" 47.0 71.9° 73.0° 10.0 69.5° 63.8 31 5.8 43.8 4.2 9.3 113.7 75.7 45.1 61.1
21.5 XL 29" 52.1 71.9° 73.0° 12.0 69.5° 65.9 31 5.8 43.8 4.2 9.3 115.9 76.9 46.6 63.0
23.0 XXL 29" 55.9 71.9° 73.0° 12.0 69.5° 67.3 31.1 5.8 43.8 4.2 9.3 117.3 80.4 48.0 63.0

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