Tested on the track and designed in conjunction with a team with BMX race knowledge spanning 3 decades

They're also great as a low profile skate pad

Power-Stop design

Using the same proven narrow flange spacing as our famous Dynamic front hub

Profile Z Coaster Freecoaster Female Hub - LHD Colour:Purple Tested on the track andProfile's Z coaster has been designed from the ground up by Profile to be the most versatile and reliable Freecoaster hub. The hub can be used as either a Freecoaster or regular cassette hub by simply switching the Slack Cam ring inside the hub. The Shell is hand made in the USA, CNC machined from 6061 aluminium and features a Crmo centre female axle with choice of 10mm or 14mm bolts The Z coaster features a unique Driver which uses Z shape pawls