For just $30.00, you can now upgrade your plastic pedals to sealed bearing, with an option of a titanium spindle too. Apparently this guy makes kits for different pedals, but this is the one for Twisted PCs:
Custom modified sealed bearing plastic pedals.
Available Options for most Pc Pedals on the market:
Titanium or quality machined steel spindles.
Sealed cartridge outer ball bearings (Ceramic available on request)
Needle roller inner bearings
Proprietary multipurpose polyurethane rings.
Odyssey Twisted PC Pedals (high impact nylon body)
Titanium Nitride coated Solid Titanium axles. x 2 "Maximum rider weight is not too exceed 185lbs"
Shielded cartridge ball bearings x 2
Needle roller bearings x 2
Polyurethane rings x 6 (Purpose: Seal, thrust and shock absorption)
All parts available separately, with Kits starting @ $30.00USD
Click here - but you'll need a Global-Flat account to view it.