danson67 Retrobike Rider Feedback View Jul 1, 2018 #11 Re: 0.25" seems pretty small for even a recent hub, let alone a rear. More likely to be R8-2RS cassette bearings, 1/2" bore, 1 1/8 OD (12.7 X 28.6mm). 2RS is the rubber seals, R8 is the size. That's what they used on the SPOX. All the best,
Re: 0.25" seems pretty small for even a recent hub, let alone a rear. More likely to be R8-2RS cassette bearings, 1/2" bore, 1 1/8 OD (12.7 X 28.6mm). 2RS is the rubber seals, R8 is the size. That's what they used on the SPOX. All the best,