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Your Local Bike Shop
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Family Owned
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Family Run
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Selling Fun for 25 Years
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Unbeatable Prices
Trek Marlin 5 (2021) Dark Aquatic/Trek Black
Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. A suspension fork, 21 speeds and mounts for a rack and kickstand make it an ideal choice for new trail riders or anyone looking for a comfortable
Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. A suspension fork, 21 speeds and mounts for a rack and kickstand make it an ideal choice for new trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike.
It's right for you if...
You're new to the trail and you’re looking for a real mountain bike that doubles as a commuter – and you want it all at an exceptional value.
The tech you get
A lightweight aluminium frame with internal shift cable and brake hose routing to protect your cables and add to the bike's sleek look, 21 speeds, a wide range of gearing so you always have the right gear for your terrain, powerful hydraulic disc brakes and a suspension fork that takes the edge off bumps and rough terrain.
The final word
It’s built in Trek's MTB heritage, so you get a great ride for all your adventures. But it's also versatile, and Marlin 5 is a popular ride on college campuses because the rack and kickstand mounts make it easy to accessorise and haul a load.
Why you'll love it
- It's a real mountain bike that's also perfectly suited to daily commutes, rides around campus or just getting from A to B on any surface
- Smaller frame sizes (XS and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently
- Marlin models in XS and S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount
- Rack and kickstand mounts make it easy to accessorise, so your mountain bike can double as a rugged commuter
- Like every Trek, it's backed by a lifetime warranty
Specifications
*spec applies to all sizes unless otherwise noted
| Frame | 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 |
| Front hub | Formula DC-20, alloy, 6-bolt, 5x100 mm QR |
|---|---|
| Rear hub | Formula DC-27, alloy, 6-bolt, 7sp freehub, 135x5 mm QR |
| Rim | Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve |
| Spokes | 14 g stainless steel, black |
| *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" |
| *Shifter | Size: XS , S , M , ML , L , XL , XXL Shimano Altus M315, 2-speed |
|---|---|
| Size: XS , S , M , ML , L , XL , XXL Shimano Altus M315, 7-speed |
|
| Front derailleur | Shimano Tourney TY300, 34.9 mm clamp, down swing, down pull |
| Rear derailleur | Shimano Tourney TY300, long cage, 34T max cog |
| *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 | VP BC73, 73 mm, threaded cartridge |
| Cassette | Shimano HG200, 12-32, 7-speed |
| Chain | KMC Z7, 7-speed |
| Pedal | VP-536 nylon platform |
| 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 Endurance Comp |
| *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 alloy, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length |
|
| Size: ML , L Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length |
|
| Size: XL , XXL Bontrager alloy, 31.8 mm clamp, Blendr-compatible, 7-degree, 90 mm length |
|
| Head set | Semi-integrated, 1-1/8" |
| *Brake | Size: XS , S Tektro HD-M276 hydraulic disc, short-reach lever |
| Size: M , ML , L , XL , XXL Tektro HD-M275 hydraulic disc |
| Weight | M - 14.44 kg / 31.84 lb (with tubes) |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |
Sizing & fit
Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorised Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.
Rider Height
Inseam
XS
137.0 - 155.0 cm
4'5.9" - 5'1.0"
64.0 - 73.0 cm
25.2" - 28.7"
S
153.0 - 166.5 cm
5'0.2" - 5'5.6"
72.0 - 79.0 cm
28.3" - 31.1"
M
161.0 - 172.0 cm
5'3.4" - 5'7.7"
76.0 - 81.0 cm
29.9" - 31.9"
M/L
165.5 - 179.0 cm
5'5.2" - 5'10.5"
77.0 - 84.0 cm
30.3" - 33.1"
L
177.0 - 188.0 cm
5'9.7" - 6'2.0"
83.0 - 88.0 cm
32.7" - 34.6"
XL
186.0 - 196.0 cm
6'1.2" - 6'5.2"
87.0 - 92.0 cm
34.3" - 36.2"
2XL
195.0 - 203.0 cm
6'4.8" - 6'7.9"
92.0 - 95.0 cm
36.2" - 37.4"
All measurements provided in cm unless otherwise stated.
| 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 | 69.8 | 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 | 72.4 | 38.5 | 57.4 |
| 17.5 | M | 29" | 41.9 | 71.9° | 73.0° | 9.0 | 69.5° | 60.2 | 31.0 | 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 | 31.0 | 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 | 31.0 | 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 | 31.0 | 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 |
