Product Description Adapter for crankbrothers wheels. Only suitable for crankbrothers hubs. Use:Base Model:rear thru-axle 12 x 142 mm, thru-axle 10 x 135 mmConvertible to:rear thru-axle 12 x 135 mmCompatibility:Cobalt 3 2. Generation (2011-2013)Cobalt 11 2. Generation (2011-2013)Iodine 3 2. Generation (2011-2013)Cobalt 1 as of 2014Cobalt 3 3. Generation (2014-2016)Cobalt 11 3. Generation (2014-2016)all iodine 3. Generation (2014-2016)Cobalt 2 4. Generation (from 2017)Iodine 2 4. Generation (from 2017)Manufacturer Number:14106 Contents:2 x crankbrothers end caps (right & left) Weight: universal | RW 12 x 142 mm thru-axle: 18 g Manufacturer: Crankbrothers 3100 W Segerstrom Ave Santa Ana CA 92704 USA info@crankbrothers.com Distributor: Cosmic Sports GmbH Leyher Straße 47 90763 Fürth Germany info@cosmicsports.de