Product Description Adapter / end cap kits for crankbrothers wheels. Only suitable for crankbrothers hubs. Compatibility:Cobalt 1 as of 2014Cobalt 2 4. Generation (from 2017)Cobalt 3 4. Generation (from 2017)Cobalt 11 4. Generation (from 2017)Iodine 2 4. Generation (from 2017)Iodine 3 4. Generation (from 2017)Zinc 3 (as of 2017)Typ 3 also suitable for Cobalt 3 Boost 2015-2016, Cobalt 2 / 3 / 11 Boost as of 2017, Iodine 3 Boost 2015-2016, Iodine 2 / 3 Non-Boost and Boost as of 2017, Lithium Boost as of 2018Use:Type 1: Base Model:front thru-axle 15 x 100 mm, front thru-axle 12 x 100 mmConvertible to:front quick release 9 x 100 mmManufacturer Number:99202 Type 2: Base Model:front thru-axle 15 x 100 mm, front quick release 9 x 100 mmConvertible to:front thru-axle 12 x 100 mmManufacturer Number:99162 Type 3: Base Model:front thru-axle 12 x 100 mm, front quick release 9 x 100 mmConvertible to:front thru-axle 15 x 100 mmManufacturer Number:99203Contents:2 x crankbrothers end caps (right & left)1 x crankbrothers axleonly with Type 2) 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