Chase RSP 5.0 OS20 – Custom BMX Race Build

Premium Alloy Frame | OS20 Performance | Custom Race Build

The Chase RSP 5.0 OS20 is a premium BMX race frame engineered for riders who demand exceptional stiffness, lightweight construction, and precise handling.

Constructed from high-grade 7075-T6 aluminum, the RSP 5.0 features advanced hydroformed tubing, reinforced rear stays, and precision CNC-machined dropouts to maximize power transfer and responsiveness.

This custom OS20 build combines the Chase RSP 5.0 frame with a carefully selected combination of performance components from Dangerboy, Answer, Box, Shimano, and other leading BMX brands.

Featuring Dangerboy Pro hubs, Ikon OS20 rims, an Answer carbon fork, and a premium drivetrain, this bike is built for competitive racing.

Chase RSP 5.0 Frame Features

• Premium ultralight 7075-T6 aluminum construction
• Double-butted, hydroformed top tube
• Triple-butted, hydroformed down tube
• Muscle-formed rear stays for increased stiffness and strength
• Precision CNC-machined rear dropouts
• Integrated cable routing for a clean appearance
• OS20 geometry and wheel compatibility
• Frame Size: Pro 22.0”
• Colour: Black/Grey

Custom Build Specifications

• Frame: Chase RSP 5.0 OS20 – Black/Grey, 22.0”
• Fork: Answer OS20 1.5” Tapered – Gloss Black
• Headset: Integrated 1.5” Tapered
• Crankset: Box Three – 177.5mm
• Bottom Bracket: Praxis 24mm
• Handlebars: Dangerboy Chromoly 8” – Black
• Stem: SD 50mm Top Load
• Brake Lever: Shimano Deore
• Brake Caliper: Shimano Deore
• Rotor: Dangerboy 120mm
• Rims: Ikon Pro OS20 – 36H
• Rear Hub: Dangerboy Pro 36H – Gold
• Front Hub: Dangerboy Pro 36H – Gold
• Spokes: Dangerboy 15G – Black
• Nipples: 15G Alloy – Silver
• Grips: Box One – Black
• Chainring: Dangerboy 5mm, 44T – Black
• Cog: Dangerboy Chromoly 16T
• Chain: Taya Titanium Half-Link 3/32”
• Saddle/Seatpost: Elevn Saddle / Aero Post 27.2mm
• Seat Clamp: Insight Aero 27.2mm
• Tires: PowerBlock 1.85”
• Tubes: Presta Valve – 48mm

Performance Highlights

• Lightweight 7075-T6 aluminum frame for efficient acceleration
• OS20 wheel platform for stability and control
• Hydroformed tubing designed to optimize stiffness and strength
• Premium Dangerboy Pro hubs with distinctive gold finish
• Ikon Pro OS20 rims with 36-spoke construction
• Answer tapered carbon fork for precise steering response
• Box Three crankset paired with Dangerboy drivetrain components
• Shimano Deore hydraulic braking for reliable stopping power
• Professionally assembled custom race build

Built for Competitive BMX Racing

The Chase RSP 5.0 OS20 combines lightweight alloy construction, race-focused geometry, and premium components to deliver a responsive and capable BMX race bike.

From explosive gate starts to high-speed corners and technical sections, this custom build is designed to provide the stiffness, control, and reliability competitive racers demand.

Customization Available

Want to change a component or personalize your build?

We can customize nearly every aspect of this bike, including wheels, drivetrain, cockpit, and gearing.

Contact sales@bikesupplies.ca to discuss your ideal setup.