The spiderless retainer ring from hope is a direct mount chainring designed specifically for the hope chainsets by using this direct mounting chainring it allows you to not only run a broader range of smaller chainring sizes but also allows you to save weight without need for a separate spider and have a quieter running drivetrain with less drag made from cnc machined 7075 t6 aluminium it gives the perfect blend of lightweight and strength the narrowwide chainring is designed to retain the c