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YOUR DEDICATED STORE FOR UK BMX RACING!

We are taking a break. All orders will be shipped on Wed 8th April.
Cranks for sale

Drivetrain

(34 products)

A BMX racing drivetrain is built for one purpose: maximum power, delivered instantly. Unlike multi‑gear systems found on mountain or road bikes, BMX race bikes use a simple and efficient single‑speed setup. This design keeps the bike lightweight, responsive, and durable—ideal for explosive gate starts and rapid acceleration down the first straight.

A typical drivetrain includes the crankset, chainring, chain, rear cog (sprocket), and pedals. Riders fine‑tune gear ratios by adjusting chainring and cog sizes to match their strength, track conditions, and riding style. Every component is engineered to transfer as much rider power as possible into forward speed, making the drivetrain one of the most important performance features on a BMX race bike.

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