Check there first

Replace those worn out bearings

DH Spec - 11-28T Capacity

2% Elasthan

Length of knee pad: The exact length isn't stated but they should extend a couple of inches above and below the knee

Hope Pro 4 Rear 6 Bolt Disc Hub - 12x142mm - 32 Hole - Shimano HG Splined Steel - Black NoAusPost Check there firstThe Pro 4 is an incredibly versatile and easily serviceable hub that builds upon Hope's reputation for bulletproof quality and attention to detail. The hubs are machined from a single billet of 2014 T6 aluminium and run on stainless steel sealed cartridge bearings for smooth running and outstanding reliability. The 4 pawl ratchet system has 44 teeth with solid and reliable 8. 2 deg engagement with that unmistakable Hope sound. The Pro 4 spoke flange