Helix R e*thirteen Direct Mount Chainring Road bikes C-boost Sole with stiffness 12

C-boost Sole with stiffness 12 and durable sole inserts

but they're far lighter than any other wheels in their class

Minimum rotor thickness gauge

keeping your handlebars clear for mounting bags or other accessories

Custom design Praxis rings made exclusively for Specialized

Helix R e*thirteen Direct Mount Chainring Road bikes C-boost Sole with stiffness 12e*thirteen Helix R Direct Mount Chainrings, manufactured from durable AL 7075 T6, combine aesthetics and design efficiency. Their flip flop design accommodates Boost or Super Boost chainlines. With e*thirteen's narrow wide tooth profile, they ensure enhanced chain retention, reduced wear, and compatibility with Shimano and SRAM chains. Perfectly complementing all Helix Cranks, they're backward compatible with e*thirteen TRS, LG1, and XCX Race cranks.