Shimano Dura-Ace 7900 Outer Chainring - 52t 130mm 10-Speed B-Type F22new While the single-sided spring pack

While the single-sided spring pack reduces weight while offering improved stiffness and downhill performance

A newly upgraded Sytron liner combined with the Cavobike and Spider buckles secures the foot in place offering enhanced downhill performance

The Jacquard-knit back provides extra ventilation and comfort while the 100% recycled Moisture-wicking FlashDry™ material on the front and sleeves help keep you dry no matter the level of exertion

Gripwalk soles and tech inserts in the toe and heel create a wide range of binding compatibility

Helmet compatible

Shimano Dura-Ace 7900 Outer Chainring - 52t 130mm 10-Speed B-Type F22new While the single-sided spring packFEATURES Front chainring type: DoubleChainring 52T (B Type for 52 39T) COMPATIBLE MODEL FC 7900 COMPATIBLE SERIES DURA ACE 7900 Series