Comas Zero Pro 20″ Bike

Description

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

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

STEM
One-piece 3D-forged aluminum stem, 150mm length, 20º rise. Seamless design with no welds for extra strength.

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

HANDLEBAR
7075-T6 aluminum handlebar, dual thickness for precise control. 720mm width, 31.8mm clamp, 7º upsweep, 9º backsweep, 115mm rise.

SPACER
5mm CNC-machined aluminum steering spacer bushing.

GRIPS
4mm-thick extra-thin foam grips with medium density for a direct and confident feel.

BRAKES
Tektro hydraulic disc brakes with post-mount system, aluminum levers, and forged aluminum calipers — responsive and strong under pressure.

FRONT DISC
160mm stainless steel rotor with exclusive surface texture for consistent, powerful braking.

REAR DISC
160mm rear rotor, matched in composition and finish for balance and braking performance.

---

Wheelset & Tires

FRONT WHEEL
COMAS 20″ wheel, W100 DEL hub, 32mm wide rim, designed for trial-specific traction and impact resistance.

REAR WHEEL
COMAS 19″ wheel, W116 DEL hub, 48mm wide rim, optimized for grip and shock absorption.

FRONT TIRE
ProRace 20″ x 2.00 tire — lightweight and responsive for precision front control.

REAR TIRE
ProRace 19″ x 2.60 tire — extra volume and grip for maximum rear-end control in technical moves.

INNER TUBES
Ultra-lightweight, high-quality 20″ x 1.75 inner tubes, 0.8mm wall thickness for low rolling weight.

---

Drivetrain

BOTTOM BRACKET
ISIS-type threaded BB, 1.37″ x 24T, width: 68mm, axle length: 123mm — stiffer and more durable under load.

CRANKSET
Forged aluminum cranks, 158mm length, 33mm offset, designed for ISIS system for improved power transfer.

FREEWHEEL
18T freewheel with 108 engagement points and 9 pawls — extremely fast response for technical moves and high-precision balance.

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

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

---

Why Choose the Zero Pro?

• Premium ISIS drivetrain for strength and performance

• Hydraulic disc brakes for powerful, responsive stopping

• ProRace tires and wide rims for grip and precision

• Built for advanced riders and competition-ready setups

Whether you’re refining your technique or competing at a high level, the Comas Zero Pro is your ultimate trial weapon.

---

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

---

FINISH
Neon yellow frame with black COMAS decals.