Rainbow swing arm chain idler

Rainbow swing arm chain idler

Rainbow swing arm chain idler

Rainbow swing arm chain idler

$25.00

Rainbow chain idler kit

Steel Rainbow slotted arm 8mm tk. x 20mm x 34mm

Rainbow arm can hold an idler pulley with or without the included spring-loaded swing arm. Subject to your design preference.

To work good rainbow arm has to be mounted on bike's chain stays in a straight-line vertical position. Your bike may or may not be compatible with this idler bracket. Check out the fit requirements first before ordering as cost to return is expensive and not worthwhile.