Ohlins fork cartridges - Triumph Bobber Forum
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post #1 of 25 (permalink) Old 05-15-2019, 10:40 AM Thread Starter
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Ohlins fork cartridges

I shouldn't really read this forum you guys are a bad influence on my wallet, Eisen77 especially. His write up on getting Ohlins cartridges fitted encouraged me to do the same.

I bought mine from here We did have a slight misunderstanding over the springs. Its not obvious that you have to buy these separately and there is no way to do that on their web site that I could see, but eventually we came to an understanding over the price and they I have to say were very helpful.

Fitting them yourself is pretty easy, but there is one major gotcha. You do need a number of tools including a 17mm allen key/tool for the front axle and realistically a beefy impact wrench and torque rench. This was where I nearly came unstuck. After jacking the front end up and removing the wheel, mudguard and caliper etc. I was able to remove both forks. The fork disassembly requires a longish 8mm allen key to remove the damper rod from the bottom of the forks. I didn't have one to hand so I cut a spare 8mm key and used an 8mm impact socket. Neither of these bolts would come undone. In fact the first one must have been tightened by a 400lb gorilla with a cheater bar. I have a DeWalt 18V electric impact. This twisted the allen key like a pretzel and in the end all it would do was spin.

I resolved therefore to drill out the bolts using a 9mm drill bit. The metal in these bolts fortunately doesn't appear to be stainless and they came out relatively easily. After that it was plain sailing. It was a lot easier re-assembling them. Ohlins instructions mention a pull up tool and a spring and a stopper plate but you dont need either of these as there is a large gap between the spring and the fork cap.

I am still playing with the damper settings and preload but they seem to be a lot smoother than the oem. Will update once I have covered some miles.
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post #2 of 25 (permalink) Old 05-15-2019, 11:17 AM Thread Starter
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One thing I forgot to mention was the replacement damper bolts. The oem bolts from World of Triumph are £8.41 each excluding delivery which is frankly a bit rude. They are a fine pitch 10mm x 25mm 1.0mm pitch. I found some some on Ebay for about £3 a pair. The only hitch is the head is a tad larger than the Triumph oem bolts but I turned these down a fraction on my lathe.
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post #3 of 25 (permalink) Old 05-15-2019, 12:22 PM
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I shouldn't really read this forum you guys are a bad influence on my wallet, Eisen77 especially....
I agree with you and , i hate Eisen77 too...
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post #4 of 25 (permalink) Old 05-15-2019, 12:25 PM
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BTW , i have Matris fork cartridges to fit in my bike . I will do soon .
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post #5 of 25 (permalink) Old 05-15-2019, 02:22 PM
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Really hope you enjoy the upgrade as much as i do.
The Ohlins really do seem to be getting better with every KM; they are such a quality bit of kit.

I must add that for some reason I am enjoying my Ohlins front and Wilbers rear even more now that Iíve installed my high bar.
Maybe itís cause my body position has changed I can feel the fluidity and suppleness even better now.
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post #6 of 25 (permalink) Old 05-15-2019, 02:23 PM
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BTW , i have Matris fork cartridges to fit in my bike . I will do soon .
Looking forward to hearing your report.
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post #7 of 25 (permalink) Old 05-15-2019, 03:54 PM
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I agree with you and , i hate Eisen77 too...
Yes he is a bad influence, I had to get the Ohlins too.
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post #8 of 25 (permalink) Old 05-16-2019, 11:27 AM
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I k now it's a Speedmaster, and therefore different suspension, but I've upped my tyre pressures by 0.1 bar (1 psi) mainly because I lose a bit out of each tyre, and it's made quite a difference with the ride being more plush... On most other bike forums I've been on, people play around with tyre pressures, but it doesn't seem to be a temptation here?

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post #9 of 25 (permalink) Old 05-16-2019, 11:43 AM
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I k now it's a Speedmaster, and therefore different suspension, but I've upped my tyre pressures by 0.1 bar (1 psi) mainly because I lose a bit out of each tyre, and it's made quite a difference with the ride being more plush... On most other bike forums I've been on, people play around with tyre pressures, but it doesn't seem to be a temptation here?
On my racing bike I did make minute corrections (at stable & measured temps and tire warmers). But on a road bike just tend to stick to Triumph/manufacturer recommendations. Just too many variables to account for when on the road at varying temps and road conditions.
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post #10 of 25 (permalink) Old 05-16-2019, 11:50 AM
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My GTR1000's ran at 40 and 45 as opposed to 36/41, the Guzzi's ran at about +2psi front and rear...

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2018 Bonnie Speedmaster Jet Black with Highway pack (less bags) and rider footboards
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