EK/PBR 520SRX2 17/43 Chain Kit - Hardened Sprocket: a complete kit designed for the final drive of roadsters seeking a good balance between durability and price. The SRX2 series from EK CHAIN is known for its performance/value balance and benefits from regular upgrades to remain reliable on the road.
- Configuration: 17-tooth sprocket / 43-tooth hardened sprocket
- Pitch: 520
- Number of links: 110
- Color: Steel / Steel
- Sprocket material: hardened steel
- Weight: 1.54 kg for 100 links
- Relative lifespan (for 100 links): 3300
This kit includes everything needed to replace the final drive: chain, sprocket, and hardened sprocket. The hardened steel sprocket offers good wear resistance, suitable for intensive road use. The 520 pitch and 110 links provide a reliable reference for many mid-displacement models.
Examples of associated motorcycles (frequent compatibilities): Aprilia RS 660 Factory (2025), Aprilia RS 660 (2025), and Aprilia Tuono 660 Factory (2024). Always check the correct gear ratio and number of teeth before installation.
