To improve your shopping experience today and in the future, this site uses cookies.
I Accept Cookies
Step up from the Coast Trail 16", and see the spec progress, just like the young rider in your life.
Step up from the Coast Trail 16", and see the spec progress, just like the young rider in your life.
Marin

Marin Coast Trail 20in Wheel 7spd Kids Bike 2026 in Silver/Black

£399.00
Earn
in Customer Rewards when you buy this item today
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.




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.

Marin Coast Trail 20in Wheel 7spd Kids Bike 2026 in Silver/Black

Season:2026

Brand:Marin

Code:737548001

Step up from the Coast Trail 16", and see the spec progress, just like the young rider in your life. The Coast Trail 20" 7 is built around a lightweight aluminium alloy frame and fork, but with the addition of a dependable and smooth-shifting Shimano 7-speed drivetrain - perfect for a growing rider who is able to get out for the ride to school, to the park or out on your neighbourhood paths.

Key Features & Benefits:

  • Lightweight frame:Coast Trail models are all built upon lightweight Series 1 aluminium frames and aluminium forks.
  • Kids Size Components:Handlebars and grips are of smaller diameter than found on adult bikes, brake levers are specifically designed for smaller hands, and even the pedals and saddles are proportionally smaller.
  • Smooth Rolling 2.0" Tyres:Smooth-rolling Marin x Vee Tire 2.0" wide tires are used on all Coast Trail models, with inverted tread to provide additional grip when needed.

Full Specification:

  • Frame:Series 1 Lightweight Aluminium, Low Standover, 20” Wheels, Replaceable Derailleur Hanger, Rim Brake
  • Fork:Series 1 Aluminium, Rim brake
  • Number of Gears:7
  • Chainset:Forged Alloy, 34T, 140mm, Ring Guard
  • Chainrings:34T
  • Rear Cassette:SunRace, 7-Speed, 11-34T
  • Chain:KMC 7-Speed
  • Rear Derailleur:Shimano Tourney, 7-Speed
  • Bottom Bracket:Sealed Cartridge Bearings, Square Taper
  • Pedals:Kids Specific Nylon Pedal
  • Rims:Aluminium, CNC Brake Surface
  • Front Hub:Forged Aluminum Alloy, 28H
  • Rear Hub:Forged Aluminum Alloy, 28H
  • Front Tyre:Marin X Vee Tire Co. Speedster, 20x2.0”
  • Rear Tyre:Marin X Vee Tire Co. Speedster, 20x2.0”
  • Brakes:Linear Pull, Alloy
  • Handlebar Grips:Single Densitiy, Thin Diameter Grip
  • Handlebar:Riser, 50mm Rise, 580mm Width, 19mm OD Grip Section
  • Stem:Alloy, 40mm
  • Saddle:Marin 20" Integrated Saddle/Post
  • Seatpost:Aluminum, 27.2mm, Integrated Saddle/Post
  • Accessories:Full Chaincase
  • Inside Leg or Age Range:8-10 years

Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Sizing Chart for Marin Coast Trail

SizeRider height range
16 Inch Wheel3'1" - 3'11"
20 Inch Wheel3'5" - 4'7"
24 Inch Wheel3'9" - 5'1"

Geometry Information for Marin Coast Trail


16"20"24"
A348407468
B270299330
C69°69°69°
D80100105
E72°73°73°
F230280320
G383424473
H182227263
I253045
J293355405
K710840939
L373450527
M254042
SeatPost Diameter25.427.227.2


Warranty Information for Marin:

Marin Mountain Bikes, Inc. ("Marin") warrants to the original retail purchaser ("you") that the Marin product for which you received this warranty is free from defects in material and workmanship for the periods below

FRAMES WARRANTY PERIOD (From date of purchase)
Carbon Fiber Frames and Forks: 5 Years
Rigid Frames and Forks: Lifetime
Full Suspension Frames: 5 Years
COMPLETE BICYCLE
The complete bicycle is warranted for one year (from date of purchase), including all original parts on the bicycle except tires, tubes, chains and other wear & tear items. Paint and decals are covered under this warranty.
This warranty does NOT cover suspension forks, and rear shocks on full suspension bikes. These items are covered by the suspension component manufacturer’s warranty. Please contact the suspension component manufacturer for any warranty needs.
For full warranty policy please visit marinbikes.com

Sizing Information
Professional Opinion
Question(s) answered about Marin Coast Trail 20in Wheel 7spd Kids Bike 2026 in Silver/Black
Ask a question
Question(s) asked regarding Marin Coast Trail 20in Wheel 7spd Kids Bike 2026 in Silver/Black

Ask a question

Your name
Your email address
Your phone number
Your question
Submit Question  Close
Home Commute and Leisure Cycling Bikes Marin Kids Bikes