DK 2021 Professional-X BMX Race Bike-Pro XXXL 20″-Black


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  • TOP TUBE: 22”
  • CHAIN STAY: 15”
  • HEAD TUBE: 74º
  • SEAT TUBE: 72º
  • BB HEIGHT: 11.1”
  • FRAME: DK Professional-X hydroformed 6061 aluminum frame with tapered head tube and internal cable routing
  • FORK: BOX X⁵ carbon with 20mm thru-axle
  • HANDLEBAR: 8” rise, 100% chromoly
  • GRIPS: DK Tsuka lock-on with press-in bar plugs
  • STEM: DK forged alloy top load, 50mm reach
  • HEADSET: DUO Brand, sealed integrated, tapered
  • BRAKE: Promax V-Point with airflow pads
  • LEVER: Promax V-Point with grip lock
  • CRANKS: Forged alloy 2-piece, 175mm
  • BB: 24mm European external (outboard)
  • SPROCKET: 40-tooth, alloy, 4-bolt chainring
  • CHAIN: Taya TB980 3/32”
  • PEDALS: DUO Brand Resilite platform
  • RIMS: DUO Brand R2, double wall, 36-hole, front and rear-specific design
  • FRONT HUB: DUO Brand R2, fully sealed, 20mm thru-axle
  • REAR HUB: DUO Brand R2, fully sealed, 15mm thru-axle, 16-tooth cassette with 120 engagement points
  • TIRES: 20×1.75” (rear), 20×1.95″ (front) Maxxis
  • SEAT: BOX Echelon 1-piece seat/post combo
  • SEAT POST: Integrated, 27.2mm, alloy
  • SEAT POST CLAMP: Promax quick-release
DK Bike Size Chart

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