Got two NOS recently. One's 122mm axle and the other is 107mm. But that's not the only difference. The cups are completely different on them and seems the shell lengths too.
My only guess is that I've read there are single and double row bearings. Can both be used for 68mm and 72mm applications???
My only guess is that I've read there are single and double row bearings. Can both be used for 68mm and 72mm applications???