BSD Revolution v1.5 Free coaster Hub DRIVE SIDE:LHD The Promax brake kit includes

The Promax brake kit includes one set of color-matched Promax P-1 brake arms and one Click lever

And the lightweight casing gives you less rotational weight

Maintains minimal rolling resistance throughout the race without negatively affecting corner grip

Designed by Tangent Pro's and top amateurs to create the ultimate race bar

BSD Revolution v1.5 Free coaster Hub DRIVE SIDE:LHD The Promax brake kit includesThe BSD Revolution Hub is a next generation Planetary freecoaster, it's a hub that feels like a cassette hub, weighs the same as a cassette hub, has a pedal gap like a cassette hub and sounds like a cassette hub. Sounds like a dream huh? Well now its a reality. Introducing the new BSD Revolution v1. 5 Hub with the new upgraded v1. 5 spring loaded clutch. At the core of the system is the Planetary Clutch Mechanism, a compact, innovative clutch that