The K-Pact Knee Pads have been in Ion's line up for quite a few years now

Material: This is a lightweight steel coil spring

Superior comfort with new ventilated Neoprene sleeve

a fibre-reinforced shank and an aggressive outsole lug pattern bring pedalling efficiency and all-terrain versatility to every ride

Material: Aluminum with Die-Casting

Leatt Gravity 4.0 Stem - 1 1/8th Inch Steerer - 35mm - 34mm - 0 Degree - Black PDP|PLP|Suits Freehub Type The K-Pact Knee Pads haveFeatures Available in two diameters: 35mm bar bore for precise handling and control, and 31. 8mm for enhanced compliance and comfort Custom cold forged & CNC machined aluminium body Built to Last: 3D forged and machined for ultimate strength Tune your handling: Choose 34mm for quick response or 44mm for balanced steering and perfect weight distribution Very low stack height (27mm): Increased range of height adjustment. Works with (too) short steerer