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Boom Racing BCF™ Compact Front-Mounted Single-Speed Scale Transmission Gearbox Set

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The new BCF single-speed transmission was developed as a purpose-built option for builders who prefer a lighter, simpler drivetrain.

With the wide RPM range and excellent low-speed control of today’s brushless crawler systems, a properly geared single-speed transmission can cover a wide range of trail driving.

Why choose the BCF?

94g vs. 140g for the BCF2 - approximately 33% lighter
No shifting mechanism or shift servo required
Fewer moving components and a simpler setup
Compact front-mounted layout keeps the motor and transmission toward the front of the chassis
Gear ratio sits between the BCF2’s 1st and 2nd gears, tuned for a natural trail walking pace

The BCF2 remains the choice for maximum versatility with dedicated low and high gears.

The BCF gives builders another option: lighter, simpler, and ready to hit the trail.

Which would you choose for your next BRX build, the BCF or BCF2?

New BCF Transmission: https://www.boomracing.com/index.php?route=product/search&search=BR-G200