Comas Zero Evo 20″ Bike

Description

FRAME
20″ frame made from high-quality 6061-T6 aluminum, with one-piece CNC-machined dropouts and post-mount disc compatibility.

FORK
20″ 6061-T6 aluminum fork with integrated dropouts and post-mount disc brake mount.

STEM
One-piece 3D-forged aluminum stem, 150mm length, 20º rise — strong, light, and weld-free.

HEADSET
Semi-integrated 1-1/8″ headset with high-quality, treated aluminum cups.

HANDLEBARS
7075-T6 aluminum bars, dual thickness for strength and feel. Width: 720mm, Clamp: 31.8mm, Rise: 115mm, 7° upsweep, 9° backsweep.

SPACER
5mm CNC-machined aluminum steering spacer bushing.

GRIPS
Extra-thin foam grips with medium density, 4mm thick for responsive control.

BRAKES
Upgraded Tektro hydraulic disc brakes with post-mount system, aluminum levers, and forged aluminum calipers — providing smooth, reliable stopping power.

FRONT DISC
160mm stainless steel disc, exclusive surface finish for enhanced grip and control.

REAR DISC
160mm stainless steel disc with matching composition and surface finish for balanced braking.

PEDALS
Mono-Cage trial-type pedals, 9/16″, lightweight plastic for consistent grip.

BASHPLATE
Ultralight bashplate made from CNC-machined 7075-T6 aluminum, post-mount design.

WHEELS
COMAS 20″ trial wheels, front hub: W100 DEL; rear hub: W116 TRS, optimized for disc brake setups.

TIRES
INNOVA 20″ x 2.25″ trial-specific tires — versatile and grippy for both training and competition.

INNER TUBES
20″ x 1.75″ high-quality tubes, 0.8mm wall thickness for better puncture resistance.

BOTTOM BRACKET
JIS-type threaded bottom bracket, 1.37″ x 24T, Width: 68mm, Axle length: 124.5mm.

CRANKSET
Forged aluminum cranks, 170mm length, 33mm offset, compatible with JIS BB system.

FREEWHEEL
18T freewheel with 30 engagement points and 6 pawls, 2.2mm tooth width, 17mm total width.

CHAIN
YBN S20 single-speed chain, 1/2″ x 3/32″ for smooth power transfer.

SPROCKET
12T sprocket, CNC-machined from 7075-T6 aluminum, 12mm wide, 1.37″ x 24T thread.

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Ideal for riders ready to progress from beginner to intermediate skill levels, the Zero Evo offers enhanced performance while maintaining the rider-friendly handling of the original Zero. A great choice for developing your trial technique with confidence.

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Geometry 920mm

• Wheelbase: 920mm

• Chainstay Length: 327mm

• Head Angle: 72º

• Bottom Bracket Height: +55mm

• Offset: 40mm

• Head Tube Length: 370mm

• Rear Hub Spacing: 116mm

Geometry 970mm

• Wheelbase: 970mm

• Chainstay Length: 350mm

• Head Angle: 72º

• Bottom Bracket Height: +85mm

• Offset: 40mm

• Head Tube Length: 370mm

• Rear Hub Spacing: 116mm

Geometry 1008mm

• Wheelbase: 1008mm

• Chainstay Length: 350mm

• Head Angle: 72º

• Bottom Bracket Height: +85mm

• Offset: 40mm

• Head Tube Length: 370mm

• Rear Hub Spacing: 116mm

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FINISH
Neon yellow frame with black COMAS decals.