EK/PBR 520 SROZ2 Chain Kit - 14/50-114 by EK CHAIN: a chain kit designed for motocross, simple and reliable. This kit combines a 520 SROZ2 chain with O-rings and a standard steel sprocket, delivered with 114 links, a 14-tooth sprocket, and a 50-tooth rear sprocket — a common setup for enduro and motocross bikes.
The SRO series offers an economical solution without compromising on quality: perforated links to lighten the assembly, thermally treated steel alloys, and manufacturing in accordance with EK's expertise. This kit is suitable for riders looking for a robust replacement part compatible with many off-road machines.
- Brand: EK CHAIN
- Chain model: SROZ2 (O-Ring)
- Pitch: 520
- Number of links: 114
- Transmission: 14/50 (sprocket/rear sprocket)
- Rear sprocket: Standard steel
- Usage: Motocross / off-road
Compatible notably with: FANTIC XE 300 (2025), YAMAHA WR 450 F (CJ09 2006), and YAMAHA WR 450 F (CJ07 2005). Installation and adjustment according to manufacturer recommendations are advised before taking to the track.
