Duo - Dual Ring Chain Device
Description
A simple chain device for use with a dual ring setup. A low slung taco protects the chainrings from rock strikes, while a chain catcher at the top and roller at the bottom prevent you from dropping the chain over rough ground. Available in ISCG and ISCG05 with bottom bracket mount adaptor supplied with both types.
Fits 32T to 38T chainrings
Suitabilities
Reviews
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Brilliant Dual Ring Chain Device
Posted on 1 August 2015 by Mr Boo
I've had this on my bike for a few months now, and all I can say is I've almost forgotten it's there. That's a compliment to how good it is, it just gets on with the job of keeping my chain on. It's quiet too. I've had no problems shifting gears with it fitted, and aside from a bit of head scratching, it was fairly easy to fit. Does take a bit of juggling with washers and spacing, but it's not di -
Does The Job.
Posted on 11 February 2015 by Seb
For what you pay its a decent bit of kit, seems pretty solid although haven't had much riding with it yet. No stepped roller but still works fine after a bit of adjustment.