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

stone ground finish

the Radical 97 Speedskin features a rubber membrane that prevents water from seeping through the plush and into the glue

The 4-way stretch material with underarm stretch panels allows maximum movement

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