BRN BIG LIGHT CASSETTE 11 speed SHIMANO compatible * 11-13-15-17-21-24-28-32-36-42-50 Weight: 582 gr. * BRN Cassette BIG features 10, 11 or 12 speed gears which is SHIMANO compatible (max 10 Speed). Thanks to its teeth, featuring up to 50 cogs, this cassette can be matched with single speed or traditional cranckset to have a wider range of opportunities. BRN Cassette Light includes two different sections, 3 and 4 pi- nions, linked together by a CNC anodized aluminium spider that gives a further lightness to the whole freewheel and single gears