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Marin Coast Trail 20 7 2025 Teal/Silver 20" Kids Bike
Step up from the Coast Trail 16", and see the spec progress, just like the young rider in your life.
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We have done our best to sufficiently estimate demand. Please contact us if you have a question or wish to check availability.
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Details
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 aluminum 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 neighborhood paths.
Specification
| Frame | Series 1 Lightweight Aluminum, Low Standover, 20” Wheels, Replaceable Derailleur Hanger, Rim Brake |
| Fork | Series 1 Aluminum , Rim brake |
| Rims | Aluminum, CNC Brake Surface |
| Rear Hub | Forged Aluminum Alloy, 28H |
| Front Hub | Forged Aluminum Alloy, 28H |
| Spokes | 14g Stainless Steel |
| Tyres | Marin X Vee Tire Co. Speedster, 20×2.0” |
| Rear Derailleur | Shimano Tourney, 7-Speed |
| Shifter | Microshift TS39 Short-Reach 7-Speed |
| Crankset | Forged Alloy, 34T, 140mm, Ring Guard |
| Bottom Bracket | Sealed Cartridge Bearings, Square Taper |
| Chain | KMC 7-Speed |
| Cassette | SunRace, 7-Speed, 11-34T |
| Front Brake | Linear Pull, Alloy |
| Rear Brake | Linear Pull, Alloy |
| Brake Levers | Kid’s Specific Short Reach Alloy Lever |
| Handlebar | Marin Riser, 50mm Rise, 580mm Width, 19mm OD Grip Section |
| Stem | Alloy, 40mm |
| Grips | Single Densitiy, Thin Diameter Grip |
| Headset | Threadless |
| Seatpost | Aluminum, 27.2mm, Integrated Saddle/Post |
| Saddle | Marin 20” Integrated Saddle/Post |
| Pedals | Kids Specific Nylon Pedal |
Specifications are subject to change without notice
Size Guide
| Frame Size | Minimum Height | Maximum Height |
| One Size | 104cm (3’5”) | 139cm (4’7”) |
We have developed our size guide from our selling experience and it may differ from the manufacturers guide. Please note, this is only a guide and if you have any concerns over sizing please get in contact
Geometry
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| Frame Size | One Size |
| A – Stack | 407 |
| B – Reach | 299 |
| C – Head Tube Angle | 69° |
| D – Head Tube Length | 100 |
| E – Seat Tube Angle | 73° |
| F – Seat Tube Length | 280 |
| G – Top Tube Effective | 424 |
| H – BB Height | 227 |
| I – BB Drop | 30 |
| J – Chain Stay | 355 |
| K – Wheel Base | 840 |
| L – Stand Over Height | 450 |
| M – ForkOffset | 40 |
| SeatPost Diameter | 27.2 |
Want to compare the size of your current bike to this one? Read our Reach and Stack guide here.
Additional Information
| Manufacturer | Marin |
|---|---|
| RRP | No |
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