Product Description The Hope Jockey Wheels derailleur pulleys feature a lightweight but durable design that reduces friction in your drivetrain. Technical Information:Application:All Mountain, EnduroTeeth:12Gearing (max.):11Material:aluminium (2014-T6)Bearings:stainless steel industrial bearings, sealedCompatibility:SRAM 11-speedFeatures:stainless steel bearings for less frictionsealedlight, but robustlarge holes ensure reduced accumulation of dirt Manufacturer's Notice:Not compatible with SRAM Two Pin.Manufacturer Numbers:black:HJW002Nred:HJW002Rblue:HJW002Borange:HJW002Cpurple:HJW002PUContents:1 pair of Hope Jockey derailleur pulleys Weight: black | 12 teeth (guide pulley), 14 teeth (tension pulley): 27 g Manufacturer: Hope Mill Calf Hall Road Barnoldswick Lancashire BB18 5PX United Kingdom info@hopetech.com Distributor: bc GmbH Carlo-Schmid-Straße 12 52146 Würselen Germany info@bike-components.de