Speedline Parts | Killer Buzz Hubsets 20mm color-silver-charcoal Premium carbon crank arms are

Premium carbon crank arms are lightweight and extremely strong

SHELL • High-Impact ABS

Upper plate not included

A miter-cut top tube creates a precise joint with the seat stays during welding

The 20″ Speedball with its smooth unbroken center strip for less rolling resistance is primarily a street tire

Speedline Parts | Killer Buzz Hubsets 20mm color-silver-charcoal Premium carbon crank arms areWe know the current trend is to be silent and seek instant engagement. But there's something to be said for the LOUD hubs. And these hubs are most definitely that, LOUD! The new Speedline Killer Buzz Hubs feature our Worm Drive system to give you near instant engagement. But they don't have the drag that other instant engagement hubs always seem to have. They're designed for minimal rolling resistance. These hubs roll faster when you're off the gas