ISO Hubs / Bolt on cogs

Posted on Thu 27th, March 2014

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• #101

PhilDAS in reply to @gbj_tester

Hey Tester
If I was going to make this myself, would 7075 bar be suitable for this application? It's high strength as I understand but I know very little metallurgy
• #102

gbj_tester in reply to @PhilDAS

would 7075 bar be suitable for this application?

Yes, for a solo 7075T6 is plenty strong enough. The tandem one is steel, but the Boost conversion on my 464 is 7075T6

Plenty of boutique road rear hubs use 15mm 7075T6 axles, and converting a 15mm through bolt front hub you already have the bearing support tube doing the heavy lifting. I'd be pretty confident in a 6082T6 adapter made to that drawing, the 464 one is a different design with thinner walls.
• #103

PhilDAS in reply to @gbj_tester

Great, thanks for confirming. I'll see which is available/cheaper
• #104

gbj_tester in reply to @PhilDAS

I'll see which is available/cheaper

I can answer that, 6082 is much easier to find and about a quarter of the price of 7075.
• #105

PhilDAS

That's sorted then. Nice one
• #106

Rik_Van_Looy
Another quick & dirty disc cog wheel
This was a oem disc front wheel purchased on here from @.pete. It’s a basic threaded cup&cone thing
I bought a cyclo 175mm axle assembly for £5 on Amazon and cut the 20mm spacer in half with a hacksaw.
The cog is a shimano hg aluminium sprocket from egg rings guy (Chris Bell RIP)

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