Nsb spider for sram x0 boost cranks 104bcd

run smaller chainrings on your sram and truvativ cranks with the nsb 1 104 bcd spider it replaces the stock chainring spider so that you can run smaller rings on x0 they are designed to use any standard 104 bcd 9 10 or 11 speed chainrings there are no mounting holes for the granny ring and the single ring s position has been moved to give a better chainline throughout the entire gear range the outside tabs accept any standard bash ring for dh or aggressive all mountain bike applications details chainline 52mm for boost 104 bcd boost spiders are used to convert gxp cranks to boost compatible frames weight 65 grams ...