Hydraulic Disc Brakes. Microshift 9-speed drivetrain with trigger shift. Atlas Air Fork. 20″ knobby tires for off-road riding. Lightweight aluminum hydroformed frame with internal routing. Wide, stable handlebars. Quick release seat post. The Forth 20 X2 opens up new possibilities for your kid to crush more single-track, dirt park, or whatever else gets thrown at it.
Atlas air fork with lockout and rebound adjustment, along with Shimano hydraulic disc brakes.
Wide, stable controls, with lock-on grips, trigger shifter, and easy squeeze brake levers.
Wide-ratio microSHIFT drivetrain will take your little rider further, higher, and faster, with less effort.
AHF-6061 Heat Treated, Hydroformed Aluminum
Atlas Air Fork
Rebound, Compression, Lockout
31.8 mm, 22.2 mm (at grips)
115 mm, lock-on
Zoom – Alloy
L:35 mm H:36 mm
Platform, Alloy, 108 x 95mm, 9/16" thread
Shimano BR-MT200 Hydraulic Disc
microSHIFT SL-M6190-R – 9 speed
microSHIFT RD-M6195S – 9 speed
microSHIFT CS-H093 – 11-38T
KMC – Z9
Prowheel Alloy – 30T
Crank Arm Length
Neco – B910
20” x 1.75, Alloy
Jackl – Alloy, Sealed Bearings, Quick Release
Bend Sender – 20" x 2.3
Weight (w/o pedals)
10.9 kg (24.0 lbs)
Min. Seat Height
WB – Wheelbase: 857 mm FC – Front Center: 519 mm RC – Rear Center: 340 mm TTL – Top Tube Length (effective): 430 mm Reach: Stack: HTA – Head Tube Angle: 69.0 ° HTL – Head Tube Length: 100 mm FL – Fork Length: 352 mm STA – Seat Tube Angle: 71.0 ° STL – Seat Tube Length: 275 mm BB – Bottom Bracket Rise (Drop):
Sizing a bike for your child is tricky. Kids grow fast! Getting them on a properly sized bike will help grow confidence and set them up for years of success riding bikes. Happy kids will result in happy parents! We’ve put together a “rough” size chart to help you get started. We’re not guaranteeing this will be 100% accurate, but based on our experience, this at least provides a place to start: