![]() E13 DRS CHAIN GUIDE (Large image) The DRS (Dual Ring Security) lets you run the inner and middle position chainrings on your crank so you can have a range of gears at your disposal. The included bashgauard replaces your outer position chainring.
No ISCG tabs ISCG tabs ISCG '05 tabs by using the BB shell mount method, bypassing the tabs entirely. |