Rear Sprocket 45T for KTM 85 SX/Husqvarna TC 85 2003-2017 - 47010051045

This is an OEM rear sprocket with 45 teeth, designed for efficient power transfer from the chain to the rear wheel in small-displacement motocross bikes. It ensures smooth operation and optimal gearing for youth racing models. Manufactured to exact factory specifications for reliable performance.

Compatible with KTM 85 SX (17/14, 19/16) models from 2003-2017 (EU/US), KTM 85 SXS (17/14, 19/16) 2012-2015 (EU/US), KTM 85 XC (17/14, 19/16) 2008-2009 (US), KTM 105 SX/XC 2004-2011 (EU/US). Also fits Husqvarna TC 85 (1714, 1916) 2014-2017 (EU) and 2015-2017 (EU). Direct OEM replacement for part number 47010051045 across these models.

Constructed from high-strength steel for durability under racing conditions. The 45-tooth count provides balanced acceleration and top speed for 85cc bikes. Precision-engineered sprocket pockets ensure secure chain engagement.

Installation requires removing the rear wheel, loosening the cush drive hub, and securing the new sprocket with OEM bolts. Torque to manufacturer specs and check chain tension after assembly. Pair with matching chain and front sprocket for best results.

Check compatibility list below to see if this part fits your motorcycle model.