What Have You Fettled Today?

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prawny

Über Member
Location
Cannock Chase
Tada! In its natural habitat! This morning its natural habitat was by the side of the road, trying to stop the bastard mudguards rubbing. Also the seatpost is a pain in the arse to adjust with a multi tool and the gears weren’t set up right, but that’s probably my fault.

I’m recovering from reactive arthritis so there was no chance of a proper ride anyway so a short fettle was good enough for this morning, need to order some proper mudguards though, clip ons were a bad idea.

This is my first GRX bike, is there any cable adjusters anywhere? I can’t see how to index the gears, luckily they came ok but it won’t last.
 

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Binky

Über Member
Not sure if counts as fettling but anyway. A new hose/head arived for track pump so fitted that and tried it out and despite not being correct size hose, I got it on and it works a treat. So for £5 I've revived my track pump which I'd given up on as couldn't get original spares.

Also, the Tyre Glider I ordered I tried out and it works brilliantly. Can't recommend enough. Late to the party of course as been out years but so much better than regular tyre levers.
 
Sadly I spent so much time fettling I didn’t manage to take any pics! Will try in the morning, it’s very black!

There should be one on the rear mech where the cable enters(item 11);

https://www.sjscycles.com/Drawings/Shimano/Shimano_GRX_RD-RX810_Tech_Doc.pdf

The front is a bit trickier as it's adjusted with a small hex nut where the cable is clamped.

This is the parts diagram for an 810 mech but it's mostly the same for all newer front mechs (adjust screw is no 2); I think some older and lower spec ones are slightly different.

https://www.sjscycles.com/Drawings/Shimano/Shimano_GRX_FD-RX810_Tech_Doc.pdf

Hope this helps :smile:
 

prawny

Über Member
Location
Cannock Chase
There should be one on the rear mech where the cable enters(item 11);

https://www.sjscycles.com/Drawings/Shimano/Shimano_GRX_RD-RX810_Tech_Doc.pdf

The front is a bit trickier as it's adjusted with a small hex nut where the cable is clamped.

This is the parts diagram for an 810 mech but it's mostly the same for all newer front mechs (adjust screw is no 2); I think some older and lower spec ones are slightly different.

https://www.sjscycles.com/Drawings/Shimano/Shimano_GRX_FD-RX810_Tech_Doc.pdf

Hope this helps :smile:

Awesome thank you, I wasn’t sure about the rear, much slicker looking than any Shimano mech I’ve seen before. I’d assumed the front mech just wouldn’t have one so this is a happy bonus.
 

Ming the Merciless

There is no mercy
Location
Inside my skull
Discovered my power idler bearings had disintegrated. Overhauled entire drive train, removing, cleaning greasing, then fitted new chain and power idler.

IMG_0052.jpeg
 

Ming the Merciless

There is no mercy
Location
Inside my skull

The power idler is the one that takes the stresses. This is my third power idler compared to the return idler. But I do rock up a lot of distance each year. I heard squeaking a few weeks back and wrongly assumed it was the jockey wheels. I think the power idler bearing grease had mostly gone, so bearings ran dry and eventually died. I will have to remember to add servicing the power idler bearings to my post winter regime.
 

Ming the Merciless

There is no mercy
Location
Inside my skull
Same here, never heard of them but then again why would I as never ridden a recumbent.
Power idler sounds like something on my ride on mower!

You will find idlers in such machines as well as cars, lathes etc. All over the place in things that use belts or chains.

You must have heard the term when a car engine is idling.
 
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