Chainring XSync 40 Tooth 11 Speed Apex 1 Asymmetric 110 BCD road Refer to the compatibility guide

Refer to the compatibility guide to see if this product fits your Trek

Our ELEMNT BOLT and ROAM specific tether screws into the back of your ELEMNT BOLT or ROAM and allows you bike computer to still fit on its patent-pending integrated out front mount for optimum aerodynamic performance

lightweight S-Works Romin EVO with Mirror is a high-performance saddle that's designed to put you in a position for optimal power transfer and comfort as you put pressure on your competition

Lightest: 725g S-Works 12r frame

delivering a much lower drag shape

Chainring XSync 40 Tooth 11 Speed Apex 1 Asymmetric 110 BCD road Refer to the compatibility guideChainring XSync 40 Tooth 11 Speed Apex 1 Asymmetric 110 BCD. Sram Part Number 11. 6218. 037. 000