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DK Professional-X BMX Race Bike-Pro XXXL 20"-Black

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About This Product: DK Professional-X BMX Race Bike-Pro XXXL 20"-Black

The DK Professional-X BMX Race Bike-Pro XXXL complete bike is designed for premier level BMX racing, right out of the gate. All Professional models are ready for the racetrack, box stock, with a size for every class. If you’re ready to take your BMX racing seriously, look no further than the DK Professional series bikes.

The DK Professional-X series builds on the same proven geometry that’s been raced to countless UCI World titles and Olympic main events. The DX Professional-X series celebrates 10 years of high performance with this line of race bikes. The pro-level build delivers straight out of the box too. BOX Components X5 carbon fiber fork and lightweight Echelon 1-piece seat/post combo come standard. Other impressive spec includes top of the line components from DK, ProMax, Maxxis, and DUO Brand.

SPECIFICATIONS

  • 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: 20x1.75” (rear), 20x1.95" (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

Complete Bike specifications and components may differ from photos and description. Manufacturers reserve the right to make changes and/or substitutions due to parts availability, production requirements and ongoing development decisions.

DK BMX Race Bike Size Charts

DK BMX Race Bike Size Charts
Size Rider's Height Age
Size: Micro Rider's Height: 3'6" - 4'2" Age: 4-5
Size: Mini Rider's Height: 4' - 4'7" Age: 5-7
Size: Junior Rider's Height: 4'5" - 4'11" Age: 7-9
Size: Expert Rider's Height: 4'8" - 5'5" Age: 9-11
Size: Expert XL Rider's Height: 5'3" - 5'7" Age: 10-13
Size: Pro Rider's Height: 5'6" - 6' Age: 13+
Size: Pro XL Rider's Height: 5'9" - 6" Age: 13+
Size: Pro XXL Rider's Height: 5'11" and up Age: 13+
Size: Cruiser Rider's Height: 5'9" and up Age: 13+

Race Bike and Race Frame Fitment Guide

Race Bike and Race Frame Fitment Guide
FRAME/BIKE SIZE HEIGHT TYPICAL AGE
FRAME/BIKE SIZE: MICRO HEIGHT: 3' - 3'7" TYPICAL AGE: 3 - 5
FRAME/BIKE SIZE: MINI HEIGHT: 3'4" - 4' TYPICAL AGE: 5 - 6
FRAME/BIKE SIZE: JUNIOR HEIGHT: 3'10" - 4'5" TYPICAL AGE: 7 - 8
FRAME/BIKE SIZE: EXPERT HEIGHT: 4'2" - 4'9" TYPICAL AGE: 9 - 10
FRAME/BIKE SIZE: EXPERT XL HEIGHT: 4'6" - 5'2" TYPICAL AGE: 11 - 12
FRAME/BIKE SIZE: PRO HEIGHT: 4'9" - 5'7" TYPICAL AGE: 13 - 14
FRAME/BIKE SIZE: PRO XL HEIGHT: 5'6" - 6'1" TYPICAL AGE: 15 - 18
FRAME/BIKE SIZE: PRO XXL HEIGHT: 5'9" - 6'5" TYPICAL AGE:  
FRAME/BIKE SIZE: PRO XXXL HEIGHT: 6'3" - 6'9" TYPICAL AGE:  

Need Some help Choosing a BMX Bike?

Selecting the right size BMX bike is vital for a smooth and delightful ride. At J&R Bicycles, we understand the BMX world inside out because we're passionate riders ourselves. Just reach out to us, and we'll be more than happy to assist you on your journey to finding the perfect BMX bike.

Curious to learn more? We've compiled a comprehensive BMX buyer's guide to demystify the process. Read on, and together, we'll uncover the BMX bike that perfectly matches your riding style and preferences.