Search found 33 matches

by Oli Hulme
25 Feb 2026 16:17
Forum: Tre e mezzo
Topic: Crown Wheel Bearings
Replies: 4
Views: 75

Re: Crown Wheel Bearings

in my parts book it's part no 43 05 69 cuscinetto porta corona 20 42 12 which i mistranslated. it actually says "crown-gear bearing"

its the two bearings that sit in what the book calls the Crown gear holder, but i would call the sprocket mounting plate..
by Oli Hulme
25 Feb 2026 13:52
Forum: Tre e mezzo
Topic: Crown Wheel Bearings
Replies: 4
Views: 75

Crown Wheel Bearings

I'm changing all my wheel bearings, and the parts book suggests that the bearings in the sprocket carrier need to be "Crown Wheel Bearings". I'm guessing this is because the chain exerts a sideways force on them? Are these bearings a thing? I can't find them at Mdina or at various bearing stockists.
by Oli Hulme
06 Jan 2026 11:48
Forum: Tre e mezzo
Topic: alloy wheels - what is the coating?
Replies: 3
Views: 1957

alloy wheels - what is the coating?

My Strada has the grey alloy wheels, and i'd like to get them refinished as its not the nicest shade in the world and there are some chips to the coating and parts where it has flaked off near the hub - I've asked a couple of blaster/powder coaters about this and without seeing them, they've both ...
by Oli Hulme
06 Jan 2026 11:42
Forum: Tre e mezzo
Topic: Stainless exhaust collars
Replies: 19
Views: 5786

Re: Stainless exhaust collars

Thank you for your help - Mauro's collars are spot on!
by Oli Hulme
05 Dec 2025 12:14
Forum: Tre e mezzo
Topic: Stainless exhaust collars
Replies: 19
Views: 5786

Re: Stainless exhaust collars

Morini Jen wrote: 05 Dec 2025 09:33 The exhaust ferrules here may be worth considering?...

https://www.morinispecial.it/accessori- ... i-eng.html

Oh thanks, thats amazing. Have asked about shipping.

The only problem now is that i desperately need a set of his rearsets too!
by Oli Hulme
04 Dec 2025 19:17
Forum: Tre e mezzo
Topic: Stainless exhaust collars
Replies: 19
Views: 5786

Re: Stainless exhaust collars

interesting points about Stainless collars, which i had considered (i was going to use aluminum grease) and decent replacements are unobtainable...
I'm now looking at lengths of brass tubing... i could get 100mm 50mm tube with a 35mm inner diameter for about £40 . then i just need a machine shop to ...
by Oli Hulme
03 Dec 2025 13:26
Forum: Tre e mezzo
Topic: Stainless exhaust collars
Replies: 19
Views: 5786

Re: Stainless exhaust collars


Are you sure, that stainless esxhaust collars are the adequade material to insert in our heads?
I have a brand new pair of them since years. But building up Dulcinea I decided not to use them. Maybe with ceramic or copper paste it will do, but in my opinion this cobination of material is not the ...
by Oli Hulme
03 Dec 2025 13:23
Forum: Tre e mezzo
Topic: Stainless exhaust collars
Replies: 19
Views: 5786

Re: Stainless exhaust collars


Another thing Oli,

As an addition to your rebuild, you mentioned in CBG about M7 nuts and bolts.
DW Middleton stainless sell them, in nyloc too.
Perfectly ok for rocker trunnions and brake torque arms on Sports/Stradas. (Bolt only there to hold torque arm in place on welded on collar).
It's only ...
by Oli Hulme
01 Dec 2025 11:44
Forum: Tre e mezzo
Topic: Stainless exhaust collars
Replies: 19
Views: 5786

Re: Stainless exhaust collars

the old one is 42mm. the new one is 43mm...


https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgTduib0A8lYQcsVdpEPRb-1yFJIuWRagop8msgUMJ1Qe76HPgqyXFrA7Oe7fqS_KQ4hPmL65CezTrQ7TOTaSsJVL2bJDpp7CUffHowauxc7_EGM4OVm-0ERAKx9ZfONrtGt0y9vXCRTCPYieRARPMbZ2v8MNvfFPIfnzW4lBDORm96jdrzcYnrAS5LjMUM ...
by Oli Hulme
29 Nov 2025 16:58
Forum: Tre e mezzo
Topic: Stainless exhaust collars
Replies: 19
Views: 5786

Re: Stainless exhaust collars

are they bigger by that much? It was sold as for a 350
by Oli Hulme
29 Nov 2025 11:57
Forum: Tre e mezzo
Topic: Stainless exhaust collars
Replies: 19
Views: 5786

Re: Stainless exhaust collars

well, that nuisance. it appears the stainless one is about half a mil wider than the original. I have a bloody expensive paperweight, then
by Oli Hulme
28 Nov 2025 14:41
Forum: Tre e mezzo
Topic: Stainless exhaust collars
Replies: 19
Views: 5786

Stainless exhaust collars

I bought one of these to replace a chromed/bronze one that had to be destroyed to remove it. It only screws in about halfway, and then sticks. I've tried on three different heads, and it's the same on each. My remaining Bronze collar screws in just fine. Do the bronze collars wear, making them ...
by Oli Hulme
11 Mar 2025 11:18
Forum: Tre e mezzo
Topic: speedo drive removal
Replies: 11
Views: 5523

Re: speedo drive removal


Hi Ollie

I had my wheels done by AC in Yeovil. They did an excellent job of masking everywhere I asked for (including the speedo drive etc etc) and achieved a very good finish. They spectographically analysed the paint on the rim under the tyre to get the 'correct' colour too.


Thanks! Yeovil ...
by Oli Hulme
10 Mar 2025 12:09
Forum: Tre e mezzo
Topic: speedo drive removal
Replies: 11
Views: 5523

Re: speedo drive removal

thank you!
by Oli Hulme
10 Mar 2025 11:24
Forum: Tre e mezzo
Topic: speedo drive removal
Replies: 11
Views: 5523

speedo drive removal

I have searched for an answer to this, but can't find it.

can anyone suggest a successful method of taking the speedo worm drive off a cast wheel?

My Strada's wheels have a ruined finish, and i want to get them restored, but most powder coaters need the wheel bare. i can get the bearings out but ...