I'm a champion bike mechanic...

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Mulger bill
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Re: I'm a champion bike mechanic...

Postby Mulger bill » Mon Jan 22, 2018 10:48 pm

New SLX 1x11 drivetrain arrived Friday 8)

Did the install today.

Cut the chain a link or two short :roll:
...whatever the road rules, self-preservation is the absolute priority for a cyclist when mixing it with motorised traffic.
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jackthelad
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Re: I'm a champion bike mechanic...

Postby jackthelad » Tue Jan 23, 2018 1:20 am

Mulger bill wrote:New SLX 1x11 drivetrain arrived Friday 8)

Did the install today.

Cut the chain a link or two short :roll:


How did you do that?
you only have to wrap it around one chainring
and over the largest Cassette Cog , and thru the clutch Derrailleur
really , really hard to !! BAN ME NOW FOR SWEARING !! up
plus with joining quicklinks ... Even for Shitmano.....
you could have ridden it long and recut, without issues
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jasonc
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Re: I'm a champion bike mechanic...

Postby jasonc » Tue Jan 23, 2018 12:03 pm

Jack - without the wheel installed, it would be easy
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Mulger bill
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Re: I'm a champion bike mechanic...

Postby Mulger bill » Tue Jan 23, 2018 9:35 pm

Followed the standard procedure, ring and big cog without the mech and add a link. Get the feeling my hand slipped between measuring and grabbing the chainbreaker
...whatever the road rules, self-preservation is the absolute priority for a cyclist when mixing it with motorised traffic.
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10speedsemiracer
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Re: I'm a champion bike mechanic...

Postby 10speedsemiracer » Tue Jan 23, 2018 10:24 pm

Mulger bill wrote:Followed the standard procedure, ring and big cog without the mech and add a link. Get the feeling my hand slipped between measuring and grabbing the chainbreaker


No big deal, we've all done it. Or cut cable housing just that little bit too short, or crimped the crimp end just that little bit too much until its no longer recognizable as a crimp end. No biggie, just means you have a spare, short-ish chain floating around.
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Duck!
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Re: I'm a champion bike mechanic...

Postby Duck! » Tue Jan 23, 2018 10:37 pm

Mulger bill wrote:Followed the standard procedure, ring and big cog without the mech and add a link.

For future reference, that's a crap method of chain measurement. I don't care if it's suggested by some component manufacturers, it's still a crap method. Always include the derailleur in your measuring to ensure you've got a margin for safety, especially if rear suspension is involved.
I had a thought, but it got run over as it crossed my mind.

jackthelad
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Re: I'm a champion bike mechanic...

Postby jackthelad » Wed Jan 24, 2018 5:20 am

Duck! wrote:
Mulger bill wrote:Followed the standard procedure, ring and big cog without the mech and add a link.

For future reference, that's a crap method of chain measurement. I don't care if it's suggested by some component manufacturers, it's still a crap method. Always include the derailleur in your measuring to ensure you've got a margin for safety, especially if rear suspension is involved.


i'm with this, that method may have been good when there was 2 chainrings and 5 to 9 speed casstte , with a narrow range , and road short cages , it not work on modern mountain bikes ... see link
https://www.parktool.com/blog/repair-he ... gth-sizing
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MichaelB
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Re: I'm a champion bike mechanic...

Postby MichaelB » Tue Feb 20, 2018 10:14 am

Bit of sa long lead up, but here goes ; Just before Xmas and cycling holiday to Qld, discover a cracked seat tube on bike :cry: Sorted by hiring a bike, and then after holiday, buy a Kenisis frame to swap my bits over, including dynamo system.

Anyway, bits swapped, new bike going, plenty of riding, and as it's summer, no need to get dynamo system going.

End of summer approaching, better get my finger out. Start hunting high and low in shed for light system, as need to get new connectors. Can't find it for love nor money. Waste 45 min, looking, looking, looking :?:

Damn, can't find it. Maybe I threw it out by accident.

Nope :roll: Still on the old frame .... :oops: :oops: :oops:

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Re: I'm a champion bike mechanic...

Postby ironhanglider » Wed Feb 21, 2018 9:42 am

My big chainring is worn. It's been through several chains and has recently been spitting the chain off when shifting, especially when in one particular cog on the back. It has not been a big problem I just had to be bit careful when shifting. I bought a new chainring and was waiting for the current chain to wear out to replace them both together.

However inevitably I was not careful when shifting once too often, and this time the chain got tangled up and in the process I managed to kink it. Ok not a big problem, it was still working well enough and I pressed on, I still had 15km to go to get to work. In fact it was working so well that I pretty much forgot I was supposed to be nursing it.

Towards the end of my commute I have a choice of two bridges to cross the railway lines near the MCG. One has a gentle slope is nice and wide but often has other foot and cyclist traffic. The other is narrow and steep and more fun. Like a fool I made my usual choice for the more fun option. Of course this meant changing to the biggest cog and in doing so I suspect the kink in the chain caused it to overshift into the spokes. Now I've managed to achieve a bent derailleur hanger, two broken spokes, on top of the kinked chain, all because I was too cheap to change the ring and chain sooner.

Cheers,

Cameron.
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Re: I'm a champion bike mechanic...

Postby Philistine » Thu Feb 22, 2018 8:52 am

I took my MTB out yesterday for a long, slow ride. The long part was planned, the slow part not so much. Early on in the ride, I tried to shift on to the big dog, and the front derailleur flatly refused to co-operate. I briefly considered the possibility of stopping to adjust it, and then I thought about the very real risk (I understand my limitations) of making it worse instead of better, and so I kept on going.

I waited until I got home before looking at the problem, and it took me about ten seconds to fix - without tools - by simply adjusting the cable adjuster. I don't know if I screwed it in or out, but, if it had made things worse, I would have tried the opposite way.

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