



Light. Fast. Proven.
NIBBI Aluminum Sprockets Deliver Race-Level Performance
NIBBI Rear Sprocket for KTM (520 Chain)
Full CNC 7075-T6 Aluminum
Fit SX EXC XC SMR 125–625 (1990–2024)
Unlock top-level performance on your KTM with the NIBBI 520 Rear Sprocket, expertly machined from premium 7075-T6 aircraft-grade aluminum. Built for racers and off-road enthusiasts alike, this ultra-lightweight sprocket reduces rotational mass, improves throttle response, and holds up to the rigors of aggressive terrain.
โ๏ธ 100% CNC 7075-T6 Aluminum – Aircraft-grade alloy that’s up to 50% lighter than steel
๐จ Ultra-lightweight design – Improves acceleration and handling
๐ฅ Anodized and heat-treated – For excellent wear resistance and corrosion protection
๐งผ Self-cleaning grooves – Prevent mud buildup, extending chain and sprocket life
๐ Race-tested design – Proven performance in enduro, motocross, and desert racing
๐ง Precision-machined teeth – Delivers smooth, efficient power transfer
๐ฅ Laser-etched NIBBI branding – With durable anodized finish
๐งฑ Trusted by performance riders worldwide
125 SX: 1991–2024
125 EXC: 1991–2016
125 XC-W: 2017–2019
125 XC: 2021–2024
144 SX: 2008
150 XC-W: 2017–2019
200 EXC: 1998–2016
200 MXC: 1998–2010
250 SX: 1995–2024
250 EXC: 1991–2024
250 SX-F: 2004–2024
250 EXC-F: 2002–2024
300 SX: 1990–2024
300 EXC: 1995–2024
350 SX-F: 2011–2024
350 EXC-F: 2011–2024
360 SX: 1996–1997
380 SX: 1998–2002
380 EXC: 1998–2002
400 SX-F: 1999–2002
400 EXC-F: 2002–2004
400 LC4: 1997–2001
450 SX-F: 2007–2024
450 EXC-F: 2003–2024
450 SMR: 2004–2014, 2021–2024
500 EXC: 2012–2024
505 SX-F: 2007–2012
520 EXC-F: 2000–2002
525 SX-F / EXC-F: 2003–2012
525 SMR: 2004–2005
530 EXC-F: 2008–2011
625 SXC: 2003–2007

