Comas 18" 740 R1 Bike

Comas 18" 740 R1 Bike

Comas 18” 740 R1 kids trials bike, specially designed for kids up to 1.20m tall (4-6 years old). Built with reliable, lightweight pats: wide rear rim, high-rise handlebar, freewheel with 30 engagement points… It’s ideal to learn trials having lots of fun!

Frame and fork
- Frame: Comas R1 20” 1008mm, with 1 1/8” – 1.5” tapered head tube and Post Mount disc
brake mounts
- Forks: Clean X2 Carbon 20”, with 1 1/8” – 1.5” tapered steerer tube, made of carbon fibre, with
Post Mount disc brake mounts and 4-bolt rim brake mounts.

Wheels
- Front hub: Comas Ultralight 100mm 28H, 9mm screw-on axle
- Rear hub: Comas Ultralight 116mm 32H, 10mm screw-on axle, 1.37”x24T
- Chain tensioner: Comas 7075-T6 snail cams, 49 positions
- Front rim: Comas 18”, 32mm wide, drilled single-wall design, 28H
- Rear rim: Comas 18”, 47mm special width for bike trials, drilled single-wall design, 32H
- Spokes: Comas Ultralight 1.8mm
- Spoke nipples: Aluminium
- Inner tubes: Comas 18”
- Tyres: trial 18” x 2.20”, symmetrical design

Brakes
- Brakes: Comas V-Brakes 90mm Alu, 2-finger levers

Drivetrain
- Cranks: Comas Alu, 130mm long, 33mm Offset, for screw-on freewheel
- Freewheel: Comas 30.6, 30 engagement points, 6 pawls, 16 teeth, red
- Chain: YBN s20 1/2'' x 3/32”
- Rear sprocket: Comas 12T screw-on, 7075-T6, 12mm wide
- Pedals: Comas single-cage, standard 9/16” thread
- Bottom bracket: Comas JIS, CrMoly, sealed bearings, 124.5mm long

Steering
- Headset: Comas 1 1/8” – 1.5” ahead
- Stem: Comas, 100mm x 25º
- Grips: Comas rubber extra thin, 2mm thick
- Handlebar: Comas 7075-T6 aluminium, 105mm high-rise, 580mm long

Geometry

(1) Wheelbase: 738 mm
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(2) Rear End: 275 mm
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(3) Bottom Bracket Height: +68 mm.
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(4) Head Angle: 72°.
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Colours
- Black, with white, red and black Comas graphics.

Weight
- 7Kg

Additional information:
Some pictures may not match the item described, so please read the description carefully.
This bike is partially set up by our workshop, so the customer will only have to set both the front wheel and the headset up.

If you have any doubts, please contact to info@trial-bikes.com.