e*thirteen Helix R 107 BCD 4-Bolt Chainring - 42t 11/12-Speed 107BCD Black CheckoutTitle=Benno Boost Replacement Fork - 2020-2021 Transition knobs have been pushed

Transition knobs have been pushed outward

Pair with SW-EM800 and EW-SW310 for a simple Road Di2 cockpit

Adventure mounts — bolt-on top-tube bag

Model Quick Fill Tire Plasma Length 48mm Color Black Valve Presta Insert Compatible Yes Package Pair

e*thirteen Helix R 107 BCD 4-Bolt Chainring - 42t 11/12-Speed 107BCD Black CheckoutTitle=Benno Boost Replacement Fork - 2020-2021 Transition knobs have been pushedThe e*thirteen Helix Race 107 BCD Chainring designed for 4 bolt 107 BCD cranks like SRAM Red or Force including power meter equipped cranks offers a performance upgrade for Gravel and Road cyclists. The 38 40 and 42 tooth rings pair perfectly with e*thirteens cassettes for more overall range and higher top speeds. Made from durable premium 7075 alloy they're CNC sculpted for a high stiffness to weight ratio. Compatible with both SRAM and Shimano 11