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Old 24-Jan-2020, 15:55
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DSC Member Avarmstrong81 Avarmstrong81 is offline
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Question 1299 rear shock linkage bolt replacement

I am in the process of upgrading all fastenings on my 1299 to A4-80 316 stainless steel. For the vast majority of bolts A4-70 or A4-80 is sufficient, there are only a few critical high tensile bolts such as front brake calliper bolts which need to be equivalent to grade 10.9 or 12.8.

The rear shock linkage bolts (2 off M10 x 1.25 x 46mm long cap heads) - are these grade 5 8.8 bolts? If so upgrading to A4-80 may not have significantly high tensile strength. Torque value is 45Nm. These two bolts are located on the triangular rear shock half rocket arm.

Options are:
- upgrade to A4-80 316 stainless steel if these have sufficient high tensile strength
- upgrade to titanium (probolt equivalent at higher cost)
- leave alone, the existing bolts are not yet corroded.

Any advice?

Thanks
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Old 27-Jan-2020, 10:01
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DSC Member antonye antonye is offline
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I would go titanium as you know it will be strong enough, it's blingy and you won't have to worry.


I'd rather die peacefully in my sleep like my Grandfather,
than screaming in terror like his passengers.- Jim Harkins

Ducati 748S | Ducati Hypermotard 1100S | 600-620SS DesmoDue Racebike #111 <-- Sold!! | Avanti Race Parts
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