Comas Joy 18" Kids Trials Bike

Comas 18" Joy Kids Trials Bike

The Comas Joy 18” is the new kids trials bike model from the brand, designed for young riders who want to start in trials with a lightweight, durable and easy-to-handle bike. Designed for children up to 1.20 m tall, it features an optimized aluminum frame, lightweight wheels and reliable components. It also stands out thanks to its attractive two-color finish in Fluor Blue and Yellow with COMAS graphics, giving it a modern and sporty look.

Below you can see the components of this bike:

Frame and Fork
- Frame: Made from high-quality 6061-T6 aluminum with optimized tubing, ideal for riders up to 1.20 m tall.
- Fork: 18” trials fork for V-brake with 1 1/8” steerer tube. Made from 6061-T6 aluminum. 100 mm dropout spacing compatible with most front hubs on the market.

Wheels
- Front hub: Comas Entry 100 mm, 28 spokes, 9 mm threaded axle.
- Rear hub: Comas Entry 116 mm, 32 spokes, 10 mm threaded axle, 1.37 x 24T thread.
- Front rim: Comas 18”, 28 holes, single wall, 32 mm width, lightweight design.
- Rear rim: Comas 18”, 32 holes, single wall, special 47 mm width, lightweight design.
- Spokes: Comas Ultralight 1.8 mm.
- Spoke nipples: Aluminum.
- Tires: 18” x 2.20.

Brakes
- Brakes: Aluminum V-brake L90 mm, 2-finger lever.

Drivetrain
- Cranks: Comas JIS 130 mm, 33 mm offset, for threaded sprocket.
- Bottom bracket: JIS, CrMo, sealed bearings, 124.5 mm length.
- Freewheel: Comas 30.6, 16 teeth, red.
- Chain: YBN S20, 1/2 x 3/32”.
- Fixed sprocket: Comas 12T threaded, 7075-T6 aluminum, 12 mm width.
- Pedals: Comas plastic pedals, 9/16” thread.

Steering
- Headset: Comas 1 1/8” Ahead.
- Stem: Comas, 100 mm length and 25° angle.
- Grips: Comas extra-thin foam grips, 2 mm thickness.
- Handlebar: Comas 7075-T6 aluminum, 105 mm rise, 580 mm width.

Geometry (with +45 mm offset fork)

(1) Wheelbase: 738 mm.
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(2) Rear center: 275 mm.
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(3) Bottom bracket height: +25 mm.
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(4) Head angle: 72°.
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Colours
- Fluor Blue and Yellow with COMAS graphics.

Additional information:
Some images may not correspond exactly to the product description, please read the specifications carefully.
This bike is supplied partially assembled. The customer will only need to install the front wheel and the steering set.

For any questions or additional modifications please contact us at info@trial-bikes.com.