What lube on old cassette?
07-14-21, 06:50 AM
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What lube on old cassette?
Picked up an old Schwinn Sprint a while back. https://www.bikeforums.net/classic-v...nn-sprint.html
I had the cassette apart once and got it back together. What lube is appropriate for this type of cassette? It has two sets of loose ball bearings. The balls are smaller than bb's.
Also, how would I remove this cassette if I wanted to get to the wheel bearings?
Thanks.
I had the cassette apart once and got it back together. What lube is appropriate for this type of cassette? It has two sets of loose ball bearings. The balls are smaller than bb's.
Also, how would I remove this cassette if I wanted to get to the wheel bearings?
Thanks.
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07-14-21, 08:02 AM
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Is that a cassette? I'd think a freewheel instead. But there are all sorts of oddball stuff from back in the day that I've never seen.
Whether freewheel or free hub and cassette, the bearings, pawls and other internals only see action when coasting. So you really only need a corrosion preventing coating on the internals. Most any light oil will be good enough IMO. But if you think you need something that sticks to your ribs more, then any very very light grease you care to use.
Too heavy or too much grease and the pawls may not engage quickly or not at all.
Whether freewheel or free hub and cassette, the bearings, pawls and other internals only see action when coasting. So you really only need a corrosion preventing coating on the internals. Most any light oil will be good enough IMO. But if you think you need something that sticks to your ribs more, then any very very light grease you care to use.
Too heavy or too much grease and the pawls may not engage quickly or not at all.
07-14-21, 08:35 AM
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That freewheel (not cassette) is a special one with a slip mechanism for use with the Shimano Front Freewheel System, and may have specialized lubrication requirements.
https://en.wikipedia.org/wiki/Front_freewheel
https://www.bikeforums.net/classic-v...l-systems.html
https://en.wikipedia.org/wiki/Front_freewheel
https://www.bikeforums.net/classic-v...l-systems.html
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07-14-21, 09:56 AM
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I think you are all wrong - that is a rear wheel meant to be paired with a Shimano front freewheel system - there is no freewheel in the rear wheel, it's built into a crank. This long obsolete arrangement was used with Shimano Positron, an early indexed shifting system
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07-14-21, 12:02 PM
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I think you are all wrong - that is a rear wheel meant to be paired with a Shimano front freewheel system - there is no freewheel in the rear wheel, it's built into a crank. This long obsolete arrangement was used with Shimano Positron, an early indexed shifting system
I just googled Shimano FF system and came up with some interesting reading.
One being this statement
Zooming in on the pic of the chain wheel, indeed the same Shimano FF on the inner chain ring that is on the OP's whatever it is called.
Last edited by Iride01; 07-14-21 at 12:05 PM.
07-14-21, 08:20 PM
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Shimano FFS freewheel uses an older style remover. last one I worked on I paid the shop to remove it.
https://www.bikeforums.net/bicycle-m...l-remover.html
The sprockets will "freewheel" under very limited circumstances.
FFS came in both 1 piece and 3 pc cranks. While often paired with early index "Positron" it was also paired with friction systems
https://www.bikeforums.net/bicycle-m...l-remover.html
The sprockets will "freewheel" under very limited circumstances.
FFS came in both 1 piece and 3 pc cranks. While often paired with early index "Positron" it was also paired with friction systems
07-14-21, 08:36 PM
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Yes, it uses the old "Boss"-type remover tool, "TL-FW20"
Yes, a safety measure in case something gets jammed up. But the sprockets move individually in that situation, and there is no ratchet mechanism.
The sprockets will "freewheel" under very limited circumstances.
