OneUp Chain Guide - ISCG05 - V2 I9 Hydra refined across three generations of

refined across three generations of RS e-bikes

12-speed Eagle

or spare parts – conveniently in our online shop

760mm (minimum width 720mm)

58 mm inner diameter including shoulder

OneUp Chain Guide - ISCG05 - V2 I9 Hydra refined across three generations ofGet rid of dropped chains forever with the new OneUp Components Guide. As the trend towards lower and slimmer bikes continues, these "small bikes" are becoming increasingly capable. Revised for 2019, the OneUp Guide uses simple, one tool installation and adjustment; as well as an all new, less tooled flip up system. Weighing only 40g, the OneUp Chain Guide is less than a sip of water. Why do I need a guide and a narrow wide chainring? NW chainrings