Marin Alcatraz 24" Kids Bike - 2025
- Series 3 6061 Aluminium Frame
- Tektro mechanical disc brakes
- Suspension-corrected rigid CrMo fork
- Advanced Frame Geometry: Features a 360mm reach, 69° headtube angle, and 72° seat tube angle, creating a balanced and stable ride. This ensures better control and confidence for young riders tackling varied terrains.
- Suspension-Corrected CrMo Rigid Fork: Built to handle tough trails, the fork absorbs shocks effectively, ensuring smoother rides. This design reduces stress on the rider, promoting comfort and endurance.
- Single-Speed Drivetrain: A simple, reliable setup minimizes maintenance while providing consistent power transfer. This makes it easier for kids to focus on their ride without worrying about complex gear systems.
- Tektro Mechanical Disc Brakes: Equipped with 160mm rotors, these brakes deliver strong, reliable stopping power. This ensures better safety and control in all conditions, from wet trails to steep descents.
- Durable Tyres and Rims: Vee Tire Rail 24x2.25” tyres paired with Marin Custom Extrusion rims provide excellent traction and durability. This results in better grip and confidence on rugged surfaces.
Designed to inspire confidence, the Marin Alcatraz 24" helps young riders push their limits safely and comfortably. Its thoughtfully engineered frame, top-tier braking system, and robust components provide a bike that meets the demands of growing adventurers.
Ready for a bike that combines durability, control, and simplicity? The Marin Alcatraz 24" is your perfect choice for endless fun and reliable performance.
| Brand | Marin Bikes |
| MPN | 739060001 |
| Frame | Series 3 6061 Aluminum, 24” Wheels, 135x10mm Horizontal Single Speed Dropouts, 73mm Threaded BB, ISCG 05 Tabs |
| Fork | Marin Series 2 CroMo 24", Suspension Corrected, 100x9mm Dropouts |
| Rims | Marin Custom Extrusion, 27mm Inner, Pinned Joint |
| Hub, Rear | Forged Alloy, 135x10mm, Bolt-On, Quad Sealed Bearings, Disc, 32H |
| Hub, Front | Forged Alloy, Bolt On 3/8" Axle, 100mm Spacing |
| Spokes | 14g Black Stainless Steel |
| Tyres | Vee Tire, Rail 24x2.25”, LSG Compound, Wire Bead |
| Crankset | Marin Forged Alloy, Alloy 32T DM Chainring, 155mm Length |
| Bottom Bracket | External Sealed Cartridge Bearings |
| Chain | KMC HL-1 |
| Cassette | 14T Single Speed Cog |
| Brake, Front | Tektro MD-M280 Mechanical Disc 160mm Rotor |
| Brake, Rear | Tektro MD-M280 Mechanical Disc 160mm Rotor |
| Brake Levers | Tektro CL-330TS Alloy |
| Handlebar | Marin Riser, 6061 Double Butted Aluminum, 31.8mm at center bulge, 38mm Rise, 700mm Width, 4º Up, 9º Back |
| Stem | Marin 3D Forged Alloy, 31.8mm clamp, 35mm extension |
| Grips | Marin MTN, Closed End |
| Headset | FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2” |
| Seatpost | Marin Alloy, 30.9mm |
| Saddle | Marin DJ Saddle |
| Pedals | Alloy Platform |
| Extras | Marin Chain Tension Device |
Our Payment Options
Online we currently accept payment from the methods listed above including a wide range of finance options. In store we also accept payment in the form of cash and gift vouchers.
Finance Options
In order to get the kit you want, when you need it, without ruining the family finances we offer a highly flexible range of finance options to help you get the best products on your bike now rather than at the end of the season when you've saved up the cash to make the purchase. There are even interest free options which effectively spread the cost without costing you any extra.
D.T.(Automotives) Limited T/A Tweeks Cycles is authorised and regulated by the Financial Conduct Authority and is the broker and not the lender. Our FCA registration number is 689896. D.T.(Automotives) Limited offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance and Klarna. Credit is provided subject to affordability, age and status. Minimum spend applies. Not all products offered by Secure Trust Bank PLC are regulated by the Financial Conduct Authority.
UK Mainland Delivery Prices
| Delivery Type | Cost | Estimated Delivery Time |
| Standard Delivery for orders under £49.99 | from £1.33 | 2-3 working days from day of despatch(Excludes weekends and Bank Holidays) |
| Standard Delivery for orders over £49.99 | Free | |
| Express Delivery | from £1.68 | 1-2 working days from day of despatch(Excludes weekends and Bank Holidays) |
| Special Delivery | from £12.54 | For any next working day delivery order before 4pm Monday to Thursday. For any weekend delivery order before 4pm Friday |
| Click & Collect | from £7.62 | Collect your parcel from a local post office. 2-3 working days from day of despatch(Excludes weekends and Bank Holidays) |
For international shipping please visit our delivery page.
For information about returning an item please visit our returns page.