RX Bearings Hybrid MGP-75 Size:OS FLEX RATING: 5-7/10

FLEX RATING: 5-7/10

This product should NOT be used for any activity other than the sport for which it was designed

killer color range and our unique rubber finish

and with low-profile studs

RX Bearings Hybrid MGP-75 Size:OS FLEX RATING: 5-7/10Material Composition: 1 ceramic ball is silicon nitrate (1500+ HV7) 6 Steel balls are 52100 carbon, chromium steel (HRC 67) Inner and Outter raceways are 52100 carbon, chromium steel (HRC 67) Retainer is 6 6 Nylon + special additive making it more resistant to breakage Pre lubricated with Rx Lube Drops, a low viscosity oil to reduce friction Tolerances: ABEC 7 rating, Ball deviation grade 5, Noise is under 31db. Design Features: Balls are highly