SPEEDCO CARBON "Pro xxl 21.75" Complete Custom Build - Stealth Black

Speedco Velox V3 – Custom Build (Pro XXL 21.75” Stealth Black)

The Speedco Velox V3 is one of the lightest and most responsive BMX race frames ever built. Designed to deliver explosive power and razor-sharp handling, this Toray T700 carbon masterpiece is built for elite racers who demand the very best. Every line, layer, and junction is engineered for maximum rigidity and minimal weight—so you can #FeelYourFastest.

This custom Speedco build pairs the world-class Velox V3 carbon frame with premium components from Onyx, Box, Bombshell, and Dangerboy, creating a podium-ready race weapon that’s as fast as it looks.

Frame Features:

• Toray T700 Carbon Fiber Construction

• Tapered 1-1/8” to 1.5” Head Tube

• Press-Fit BB86 Bottom Bracket

• 72 mm Down Tube at BB Junction for Optimized Stiffness

• Universal Dropout System (10 mm / 15 mm / 20 mm Compatible)

• Integrated Chain Tensioner

• Removable Brake Bosses (Disc or Caliper Compatible)

• Internal Cable Routing

Custom Build Specifications:

• Frame: Speedco Velox V3 – Pro XXL 21.75” Stealth Black

• Fork: Box One X5 – Black

• Bars: Dangerboy Chromoly 8” – Black

• Stem: SD Top Load 50 mm – Black

• Grips: ODI Ruffian 135 mm

• Rear Hub: Onyx Ultra SS 100/20 mm – Black

• Front Hub: Onyx Solid 100/20 mm – Black

• Rims: Bombshell CS Carbon Pro 36H

• Spokes: DB 15G – Black

• Nipples: DB 15G – Black

• Crankset: Box Two M30-P – 175 mm Black

• Bottom Bracket: Press-Fit BB86 (30/28 mm Spindle)

• Chainring: Dangerboy Pro 44T – Black

• Chainring Bolts: Dangerboy Alloy – Black

• Cog: Dangerboy Onyx Ultra SS Compatible Chromoly 16T

• Chain: KMC Z1eHX

• Tires: Vee SpeedBooster 1.75”

• Brake Lever: Box One Genius Long Reach – Black

• Brake Caliper: Box One V-Brake 108 mm – Black

• Saddle: Box One Carbon 27.2 mm

• Seat Clamp: Dangerboy Quick Release 31.8 mm

• Stem Spacers: Box Two – Black

• Rear Axle: Onyx 20 mm Thru 145 mm

• Headset: Integrated 1.5” Tapered

• Pedals: Dangerboy Pro – Orange/Gold