SRAM RED X-Sync Chainring - 46t, 12/13-Speed, 8-Bolt Direct Mount, 6.5mm Offset, Black/Silver, E1 roof-rack-accessory Tapered Headtube: IS42 upper /

Tapered Headtube: IS42 upper / IS52 lower

Or perhaps the same number of riders on twice as many bikes

These 6mm long bolts are designed for single chainrings that have non-threaded standoffs

9x area coverage vs XL Size

SRAM RED X-Sync Chainring - 46t, 12/13-Speed, 8-Bolt Direct Mount, 6.5mm Offset, Black/Silver, E1 roof-rack-accessory Tapered Headtube: IS42 upper /SRAM's light, stiff, and durable direct mount RED X Sync chainrings let you pick the exact gearing you want and quickly swap sizes. X Sync technology keeps the chain where you need it to be, too. X Sync wide tooth, narrow tooth chainring technology provides maximum chain control Laser etched chainring finish is more durable than previous version X Range gearing technology gives you more range and a smoother gear progression, so you re always in the