The Steel Ultralight Rear Sprocket is part of the latest collection from Moto Master. Features: Top grade hardened steel, will outlast an aluminium sprocket up to 3 times Special coating for extra durability Race proven design offers optimal strength-to-weight ratio CAD designed and laser cut using state of the art technology Engineered and manufactured in the Netherlands Specifications: COLOR: Black MATERIAL: Steel Model: Ultralight PITCH: 415 POSITION: Rear Product Name: Sprocket Style: Lightweight TEETH: 44 Type: Drive Units: Each To fit: KTM SX 50 MINI 2010 American Models KTM SX 50 MINI 2011 American Models KTM SX 50 MINI 2012 American Models KTM SX 50 MINI 2013 American Models KTM SX 50 2006 American Models KTM SX 50 2006 European Models KTM SX 50 2007 American Models KTM SX 50 2007 European Models KTM SX 50 2008 American Models KTM SX 50 2008 European Models KTM SX 50 2009 European Models KTM SX 50 2010 European Models KTM SX 50 2011 All Models KTM SX 50 2012 All Models Manufacturer part number: 620281144