DK Swift S1 Pro BMX Racing, lightweight race bike built for learning and speed

DK Swift S1 Pro key features

• Rider height: approx. 160–180 cm
• Top tube: 20.75"
• Frame: 6061 aluminium
• Cranks: 3pc 175 mm Cr-Mo
• Tyres: 20" x 1.75"
• Weight: approx. 9.57 kg
• Level: beginner

DK Swift S1 Pro is built for BMX Racing. It feels fast, direct and easy to control from the first ride. The lightweight frame and race-focused geometry help you accelerate quickly and stay stable on the track.

This is a solid starting point if you want to get into BMX racing and need a bike that reacts predictably and builds confidence straight away.

Why this is a good first race BMX

The aluminium frame keeps the weight low, which makes it easier to get up to speed. Narrow 20" x 1.75" tyres reduce rolling resistance and help maintain momentum on the track.

The 3-piece Cr-Mo crankset handles hard pedalling and repeated sprints without feeling soft or unstable.

Geometry built for racing

The longer 14.25" chainstay improves stability at higher speeds. A 74° head angle keeps steering precise and controlled on straights and in turns.

It’s a setup that helps you hold your line and stay in control when the pace picks up.

What matters when choosing a BMX Racing bike

• low weight for faster acceleration
• stable geometry for high-speed control
• narrow tyres for better rolling efficiency
• strong drivetrain built for sprint efforts

Safety matters, a helmet and protective gear are essential, especially when you’re just starting out on the track.

Technical specification

Frame

• 6061 aluminium
• TT: 20.75"
• CS: 14.25"
• HA: 74°
• SA: 72°

Fork

• Steerer tube: 4130 Cr-Mo
• Legs: Hi-Ten 1020

Handlebar and stem

• Handlebar: Hi-Ten, 8" rise
• Stem: aluminium, top load

Drivetrain

• Cranks: 3pc, 175 mm, 4130 Cr-Mo
• Bottom bracket: EURO, sealed bearings, 19 mm axle
• Sprocket: 44T
• Freewheel: 16T
• Chain: KMC 1/8"

Wheels

• Rims: aluminium, 20", 36H
• Tyres: Arisun XLR8 20" x 1.75"
• Front hub: aluminium, 10 mm axle
• Rear hub: aluminium, 10 mm axle

Brakes and components

• Brakes: Pro Linear, V-brake
• Seat: DK Pro, combo
• Pedals: DK Blender 9/16"
• Grips: DK Tsuka

BMX Racing bikes are exposed to high loads. Check your bike regularly and service it to keep it safe and running properly.

Important before your first ride

• bike is delivered approx. 90% assembled
• install pedals, handlebar and other required parts before riding
• front wheel installation may be required in some cases
• initial service at a professional bike shop is required to maintain warranty
• keep proof of service for warranty claims