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Old 09-10-15, 03:13 PM   #1
RocThrower
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Open Bore vs Over Axle Drift?

I'm looking at getting the Wheels Manufacturing bearing press for changing bearings in my hub, and need to buy 6902 and 6802 drifts. These come in in either open bore or over axle. Does anyone know what the difference is, and which I should by? I have Stan's 3.30 disc hubs, front is 15mm thru-axle and rear is 135mm qr. Thanks!
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Old 09-13-15, 06:58 AM   #2
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Originally Posted by RocThrower View Post
I'm looking at getting the Wheels Manufacturing bearing press for changing bearings in my hub, and need to buy 6902 and 6802 drifts. These come in in either open bore or over axle. Does anyone know what the difference is, and which I should by? I have Stan's 3.30 disc hubs, front is 15mm thru-axle and rear is 135mm qr. Thanks!
You have to use the over axle adapter if the bike has shouldered axles or axles with lips on the inside.

Sometimes, you can pull the axle out and then pull and install the bearings which is when you use the open bore drift. When the axle stays inside the hub and can't removed unless you remove the bearing first, that's a shouldered axle and you have to use the over axle adapter. Figure out the I.D. of your bearings and buy the correct adapter. Some hubs require the use of two adapters.
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Old 09-14-15, 07:14 AM   #3
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Thank you so much for the informative reply, LifeCycles. Helps me out greatly!
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