e*thirteen TRS+ Dual DMB Chain Guide

- Dual ring chainguide with 6061-T6 backplate and removable direct mount bashguard
- Replaceable upper sharkfin wearplate prevents chain drop and allows front shifting
- Dual-position lower roller provides chain tension and security - Includes both 32-36t and 36-40t direct-mount bashguards
- ISCG-05 models are adjustable for 48-53mm chainlines
- 149g
- Range: 32-40t