Blackspire Sub Four Enduro/All Mountain Bicycle Pedals - Gold - 869-400GD. CNC'd from custom extruded 6061 T-6. 17mm Low-Profile body is slightly concave to increase grip. 92mm x 92mm surface. Sealed bearing and proprietary KY bushing internals with nickel plated forged CroMo spindles. NEW IMPROVED Replaceable steel T' pin traction studs are 2.5mm longer and 0.5mm finer at the tips. Height of traction studs can now be adjusted from 5mm to 3.5mm using the included spacers. 10 pins per side. Simple, duarable, sexy and lightweight. Polished and anodized finish with Laser etched graphics.