Steel Disc Steel DiscDescription Crankset “Steel Disc”, steel crank forged, steel chain wheel with disc 90 or 110 mm, disc available in CP, black and silver.Features >> Crank available in 127/152/170>> chainwheel available in 33/36/38/44/48more productsLightingCarrierMudguardsGripsAccessoriesSpokesWheelsRimsSaddlesLocks Uwe Ruppel