The Crupi Rhythm Section cassette BMX race wheelset features the Crupi Section cassette hubs, Crupi Rhythm Section rims, 15 gauge spokes, and alloy nipples.

SPECS:SIZE: 20×13/8″ (fits tires from 1″ to 13/8″)HUBS: Rhythm Section cassette, 28H, sealed bearingRIMS: Rhythm double-wall alloy, machined rear sidewallSPOKES: 15 gauge straight stainlessNIPPLES: Alloy nipplesEXTRAS: Rhythm Aluminum 16T Cog, Rhythm rim tapeCOLORS: Black, Blue, Silver, Red, and WhiteRIDERWEIGHTLIMIT: 135lbs/61.2kgWeight: 3lbs 4.8oz/1500g (save 60 grams with Titanium spokes)