Comas Zero Trial 20"

This bike is available in 3 geometries, all feature a 20" front and rear wheel:

• Wheelbase: 920mm / 970mm / 1008mm
• Chainstays: 328mm / 350mm / 350mm
• BB rise: 55mm / 85mm / 85mm
• Head tube angle: 72*

Please read through the description thoroughly as it may contain changes to the specification pictured. The spec you will receive is the spec listed below.

Frame & Fork:

• 20″ 6061-T6 aluminium frame with one-piece CNC dropouts, Post-mount
• 20″ 6061-T6 aluminium fork with integrated dropouts, Post-mount disc mount

Steering:

• 3D-forged one-piece aluminium stem, 150 mm × 20°
• 5 mm CNC-machined aluminium spacer bushing
• Semi-integrated headset 1 1/8″ with aluminium cups
• 7075-T6 aluminium handlebar, 720 mm × 31.8 mm, 7° up, 9° back, 115 mm rise
• Extra-thin medium-density foam grips, 4 mm thick

Brakes:

• Mechanical disc brake for post mount
• Three-finger brake lever (80 mm reach)
• 160 mm stainless-steel front disc
• 160 mm stainless-steel rear disc

Drivetrain:

• Mono-cage trial pedals, 9/16″, nylon
• Ultralight ski-plate, Post-mount, 7075-T6 CNC aluminium
• Square taper bottom bracket: 1.37×24 T, 68 mm shell, 124.5 mm axle
• Forged aluminium crankset for square taper, 170 mm arms, 33 mm offset
• 18 T freewheel with 30 engagement points and 6 pawls
• YBN S20 single-speed 1/2″ × 3/32″ chain
• 12 T CNC-machined 7075-T6 aluminium sprocket

Wheels:

• Front disc wheel: COMAS 20″, 32mm wide, 100 mm hub spacing
• Rear disc wheel: COMAS 20″, 48mm wide, 116 mm hub spacing
• Innova tyres: 20″ × 2.25 front and rear
• Ultra-light tubes 20″ × 1.75, 0.8 mm thickness