0
Your Profile
Your Basket 0
Your Offers 0
Continue Shopping
Checkout
Trustpilot
To improve your shopping experience today and in the future, this site uses cookies.
Read our full Privacy Policy & Cookie information here
I Accept Cookies
The Trek Marlin 5 is a versatile hardtail that can be rough on trails but doubles perfectly as a commuter bike, with mounts for a rack and kickstand, so you get more for your money. 
The Trek Marlin 5 is a versatile hardtail that can be rough on trails but doubles perfectly as a commuter bike, with mounts for a rack and kickstand, so you get more for your money. 
Trek

Trek Marlin 5 Hardtail Mountain Bike 2021 in Matte Trek Black

£495.00
Size Guide
Earn
in Customer Rewards when you buy this item today
Sign Up
Sign In
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
Earn Rewards
When you purchase this item, you will earn of rewards points to spend on your next purchase from us. You can spend your Rewards balance in-store & online.

Hassle free returns

In the unlikely event that you are not satisfied with your purchase please feel free to return your items within 90 days of the purchase date for a full exchange or refund. Any item (excluding food, underwear or e-gift vouchers) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase.

It is recommended that you use a recorded delivery service or return to a store to ensure your items are received by us. We cannot assume responsibility for items that are lost in transit back to us.

Returning an item

Online or in-store purchases can be returned to any of our 12 stores free of charge or can be returned by post or courier at your cost after completing the online returns form below. If you are returning an item due to a fault, we will refund your postage costs.

Bikes & Bulky items

If you wish to return a bike or bulky item to us, please keep the box it arrived in and let us know by contacting our support team via our online webchat, email or by phone (020 45063856) and we will help arrange a collection.

Non Bike - Customer Returns Form

If you wish to return or exchange an item, please fill out the form below following the steps inside. Returns can be processed quicker if all required information is provided.




Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the product(s) have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:
1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £50 for collection (£100 from Northern Ireland). If you do not have the original box in usable condition, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid proof of purchase.

Trek Marlin 5 Hardtail Mountain Bike 2021 in Matte Trek Black

Season:Discontinued

Brand:Trek

Code:331362021BLKLithiumGRY

The Trek 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.
 
The Marlin 5 features a lightweight aluminium frame with internal shift cable and brake hose routing to protect your cables and add to the bike's sleek look and a suspension fork that takes the edge off bumps and rough terrain. The 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 and a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount, so you get a bike perfectly moulded to your size. 

 

This versatile hardtail delivers a great ride for all your adventures, but also doubles perfectly as a commuter bike so you can get the best of both worlds!

Key Features & Benefits:

SR Suntour suspension fork: For comfort and control.

Hydraulic disc brakes: For reliable stopping in all conditions.

Shimano 21 speed gears: To get you up the steepest of hills.

Full Specification:

  • Frame:  Alpha Silver Aluminium, internal routing, chainstay disc-brake mount, rack and kickstand mount, 135x5 mm QR
  • Rear Shock (If Applicable):  N/A
  • Fork:  SR Suntour XCE 28, coil spring, preload, 80 or 100 mm travel, depensing on wheel size
  • Number of Gears:  21
  • Gear Shifters:  Shimano Altus M315, 7-speed
  • Chainset:  Shimano Tourney TY301
  • Chainrings:  42/34/24
  • Rear Cassette:  Shimano HG200, 12-32, 7-speed
  • Chain:  KMC Z7, 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
  • Bottom Bracket:  VP BC73, 73 mm, threaded cartridge
  • Pedals:  VP-536 nylon platform
  • Rims:  Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve
  • Front Hub:  Formula DC-20, alloy, 6-bolt, 5x100 mm QR
  • Rear Hub:  Formula DC-27, alloy, 6-bolt, 7sp freehub, 135x5 mm QR
  • Front Tyre:  Bontrager XR2 Comp Size XS, S 27.5x2.2", Sizes M, ML, L, XL, XXL 29x2.2"
  • Rear Tyre:  Bontrager XR2 Comp Size XS, S 27.5x2.2", Sizes M, ML, L, XL, XXL 29x2.2"
  • Brakes:  Tektro HD-M275 or M276 hydraulic disc
  • Handlebars:  Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width
  • Handlebar Grips:  Bontrager XR Endurance Comp
  • Headset:  Semi-integrated, 1-1/8"
  • Stem:  Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree
  • Saddle:  Bontrager Arvada, steel rails, 138 mm width
  • Seatpost:  Bontrager alloy, 31.6 mm, 12 mm offset
  • Accessories:  N/A
  • Weight:  M - 14.44 kg / 31.84 lb (with tubes)

Mountain Bike Sizing Guide

Mountain Bikes tend to use the T-Shirt sizing of S, M, L etc. or will have the seat tube measurement in INCHES. Why mountain bikes are inches and road bikes are CM who knows, but the part of the frame being measured is the same.

As a rule of thumb if you can identify your size as Medium on one brand, you should use that as a starting point on another brand too.

If you already own a medium mountain bike for example and are comfortable with the sizing, start there.
 

What is your height? Your suggested bicycle size
Feet/Inches Centimetres Suggested Size
4'10" - 5'2" 148cm - 158cm X-Small (14-15")
5'2" - 5'6" 158cm - 168cm Small (15.5-17")
5'6" - 5'10" 168cm - 178cm Medium (17.5-18")
5'10" - 6'1" 178cm - 185cm Large (18.5-20")
6'1" - 6'4" 185cm - 193cm X-Large (20.5-22")
6'4" - 6'6" 193cm - 198cm XX-Large (22.5"+)


 

If you need any more advice on bike sizing for mountain bikes please contact us and we can help you make the right choice.

Technical Information

Geometry for Trek Marlin 5 Cross Country Mountain Bike

All measurements provided in cm unless otherwise stated. 

Trek Marlin 5 Hardtail Mountain Bike Geometry Chart

Frame Size Number 13.5 15.5 17.5 18.5 19.5 21.5 23.0
Frame Size Letter  XS S M ML L XL XXL
Wheel Size  27.5" 27.5" 29" 29" 29" 29" 29"
A - Seat Tube 34.3 36.8 41.9 44.4 47.0 52.1 55.9
B - Seat Tube Angle 73.5° 73.5° 71.9° 71.9° 71.9° 71.9° 71.9°
Effective Seat Tube Angle 73.5° 73.5° 73.0° 73.0° 73.0° 73.0° 73.0°
C -  Head Tube Length 9.0 9.0 9.0 9.0 10.0 12.0 12.0
D -  Head Angle 69.3° 69.3° 69.5° 69.5° 69.5° 69.5° 69.5°
E - Effective Top Tube 54.5 55.5 60.2 61.8 63.8 65.9 67.3
F - Bottom Bracket Height 29.2 30.2 31.0 31.0 31.0 31.0 31.1
G - Bottom Bracket Drop 5.8 4.8 5.8 5.8 5.8 5.8 5.8
H - Chainstay Length  43.8 43.8 43.8 43.8 43.8 43.8 43.8
I - Offset 4.2 4.2 4.2 4.2 4.2 4.2 4.2
J - Trail 8.8 8.8 9.3 9.3 9.3 9.3 9.3
K - Wheelbase 104.9 106.6 110.0 111.6 113.7 115.9 117.3
L - Standover 69.8 72.4 74.8 75.8 75.7 76.9 80.4
M - Frame Reach 37.6 38.5 41.8 43.4 45.1 46.6 48.0
N - Frame Stack 56.5 57.4 60.2 60.2 61.1 63.0 63.0

 

Sizing Information
Professional Opinion
Question(s) answered about Trek Marlin 5 Hardtail Mountain Bike 2021 in Matte Trek Black
Ask a question
Question(s) asked regarding Trek Marlin 5 Hardtail Mountain Bike 2021 in Matte Trek Black

Ask a question

Your name
Your email address
Your phone number
Your question
Submit Question  Close
  • Question asked by Jamie on 24/05/2021 17:13:02
    Q: Hi, can the Marlin 5 be bought with a pannier rack fitted?
    A: Hello there. Trek Marlin 5`s can take a pannier rack and can be fitted for Click and Collect orders and Home Delivery orders. Simply buy the items that you want online and our mechanics will attach the rack to the bike when the bike is being built. Thanks.
  • Question asked by Jhondel on 21/05/2021 20:27:54
    Q: Good day , I'm planning to order a bike online and was wondering if it can be set up after delivery for a fee or that service doesn't apply when purchasing
    A: We ship our bikes built, you will just need to attach the pedals yourself and adjust the bars upon receiving your bike. More information on delivery can be found here: www.balfesbikes.co.uk/pages/delivery/
  • Question asked by Dean on 18/05/2021 19:56:11
    Customer Question: "When does it get delivered after payment?"

    Hi Dean, if you proceed to the checkout you will get an estimated delivery date message and this will give you the most up to date information possible.

    Thanks,
    Balfe's Bikes
  • Hello does this bike have a tapered head tube?
    Question asked by slimy on 14/04/2021 17:07:36
    This bike does not have a tapered headtube , it has a 1 1/8th steerer meaning you can only use a fork with a straight steerer tube.
  • Is this suitable for a woman or is it a men’s bike only?
    Question asked by Lizy on 28/02/2021 17:21:13
    The Trek Marlin 5 is considered a unisex bike and it is only in the smaller size will you notice the frame geometry change. Please find the manufactureres sizing guide in this link https://www.trekbikes.com/gb/en_GB/bikes/mountain-bikes/cross-country-mountain-bikes/marlin/marlin-5/p/33136/?colorCode=orange_grey

    There is a women's specific bike with this range which offers a shortened cockpit, narrower bars and specific saddle https://www.balfesbikes.co.uk/bikes/trek/mountain-bikes/female/adult
  • Question asked by Alfie on 13/12/2020 23:05:03
    Hi Alfie, I can confirm that the 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.

    I hope this helps,

    Thanks.
    Balfe's Bikes
    • Home Mountain Biking Bikes Trek Mountain Bikes