Blackspire Sub4 pedal, 9/16" - blackCNC machined in Canada from custom extruded 6061-T6 aluminum17mm super low-profile concave parallelogram body with 10 replaceable pins per side to increase gripNickel plated forged chomoly spindle turns on sealed bearing and proprietary KY bushing internalsspindle: CrMosize: 9/16"color: blackweight: 350gFeatures ..

Blackspire Pedal,Sub4,Red 2010,Cnc Alloy,Cro-Mo AxleCNC's from custom extruded 6061 T-617mm Low-Profile body is slightly concave to increase grip92mm x 92mm surfaceSealed bearing and proprietary KY bushing internals with nickel plated forged CroMo spindlesNEW IMPROVED Replaceable steel T pin traction studs are 2.5mm longer and 0.5mm finer at the ti..