Rear Sprocket 51-Z OEM for KTM Husqvarna GASGAS - 7771015105101

This is an OEM rear sprocket with 51 teeth (51-Z nature), designed for reliable power transfer from the chain to the rear wheel. It ensures smooth operation and optimal gearing for off-road and motocross riding. Manufactured to exact factory specifications for KTM, Husqvarna, and GASGAS motorcycles.

Compatible with a wide range of models including 2026 KTM 450 Rally Replica, 2025-2024 GASGAS EC/EC/MC/EX series (125-500F), 2023-2022 KTM SX/XC-F and GASGAS EX/MC models, down to 2003-2004 KTM/Husqvarna enduro and supermoto bikes like 125 EXC, 250/300/450/500/525/660 series. Full list covers 2014-2026 EU/US models such as KTM 250 SX-F, 350 EXC-F, Husqvarna FE/TE/FR series, and GASGAS EC 300/EX 250F. Direct OEM replacement for precise fit.

Constructed from high-strength steel for durability under extreme conditions. The 51-tooth count provides balanced acceleration and top speed for trail and track use. Corrosion-resistant finish extends service life.

Installation requires removing the rear wheel and chain. Torque to manufacturer specs and check chain tension after fitting. Regular inspection prevents premature wear.

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