Colin Wong's Custom 1x9 20" XC Racer

Not your typical 20" kids' mountain bike. A 25-lb hardtail underwent a complete component overhaul to get its weight down to just over 20 lbs. Upgrades include:

• Conversion from 2x8 to 1x9
• Crupi BMX Race Crankset w/ 36t Chainring, Sinz Bottom Bracket w/ Titanium Spindle
• SRAM X5 Rear Derailleur, X7 Shifters, PG970 9-speed Cassette
• Custom-built Wheelset: Crupi Rhythm 20x1.5" BMX Race Rims w/ Shimano Tiagra Hubs, IRC Siren Race Tires (1.7 lb reduction from stock!)
• Race Face Evolve XC 70mm Stem
• Odyssey Junior BMX Seat, Ritchey Comp Seatpost
• Avid FR5 Brakes