ProTraction
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ProTraction hubsets are more rugged BMX racing hubs for riders over 100 lb.

bulletHeavy duty construction for durable racing
bullet8mm capscrew hardware
bulletHollow 7075-T6 alloy axles
bulletRear features 4 sealed cartidge bearings
bullet36H CNC machined shell
bullet48 click 6 pawl engagement
bulletShimano compatible cog system 12T - 18T 
bulletCrmo or 7075-T6 16T or 15T cog standard
bulletTi cog driver optional
bulletMatching chain tensioners
bulletFront has 2 sealed cartridge bearings
bulletAvailable in many colors
bulletWeight:

            a.  Front: 138g

            b.. Rear: 450g w/ CrMo cog driver & cog ( incl. chain tensioners)

               or...    338g w/ Ti cog driver and alloy cog