The E-13 SRS Chain Retention System is compatible with all chainstay configurations.
- Compatible with ISCG (International Standard Chain Guide) tabbed frames or with bottom brackets that use a lip on the fixed cup
- 13mm thick Makrolon thermoplastic bashguard is tough, light and won't snag
- Compatible with all chainstay configurations
| Bolt Pattern | 4-Bolt |
| Chainring BCD | 104 mm |