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

Steerer Type Tapered Lockout Switch Crown Brake Type Post Mount 160 Negative Spring Air Travel (mm) 100 Offset 51 Axle to Crown Length 510 Front Axle 15mm Thru x 110mm Maximum Tire Width 81 S

SHIMANO Equivalent RD-A070

Adventure mounts — bolt-on top-tube bag

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