Tag Archives: Chainring

A new chainring and pedal reflectors, yes, you heard me. #cycling

Lastly, firstly, pedal reflectors are a legal requirement in the UK, other than that, I think they are worthwhile, they can’t do any harm. Don’t be fooled though, reflectors give people false hope, get decent lights, spend a lot of money on them and be safe. Pedal reflectors won’t help when the vehicle’s windows are misted up or it’s a rainy day. Only bright lights will penetrate that.

But anyway… I was down to my last one, they keep breaking, falling off etc. So I bought some new bolt on ones, let’s see how long they last.

Now, the highlight, a brand spanking new Thorn chainring, 48T and reversible (eat that derailleur lovers):

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Notice how clean Bluebell is compared with normal? I treated her to a clean not so long ago 🙂

Also, note the black oil marks are on alternate teeth, bonus points if you can guess why this is? Wow, cycling trivia, almost.

And for comparison old against new:

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Extra trivia, is the original (on top) a reversible chainring and explain why 🙂

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After weeks of waiting, I finally fix up bluebell #cycling

For this I needed a new crank puller (a.k.a. extractor, Park Tool CCP-22):20130511-105542.jpg
And a new crankset (unbranded):20130511-105612.jpg
The crankset was recommended as the current replacement by SJS. Replacing the chainrings with the single chainring I already had on the old crankset.
The crank puller seems OK, though I don’t rate it above my last one, maybe equal to it. Anyway it worked twice which is all I needed. Important is to always remember to grease both threads and the tip of it, since the tip will be grinding against metal.
Here’s one side done, baby started crying that was all I managed that evening:20130511-151649.jpg
It’s also worth noting that I grease the bottom bracket axle before putting the new crank on, grease the crank bolt and give it a good tighten if you want it to remain in place. Greasing the axle is meant to decrease the corrosion that can happen between the steel axle and the alloy crank. Similarly greasing pedal threads is a must, which i forgot last time, hence the beginning of the problems I had. There are those that disagree which bits to grease, I sometimes change my mind, but I’ve had more problems by not greasing than by greasing.
After removing the RHS crank I need to swap the chainrings from new to old:20130511-153459.jpg
He’s the finished result:20130511-153521.jpg
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The hawk eyed reader will note that my chainring is not reversible and is getting on in age (miles), when the teeth are like razor blades I’ll swap it, a derailleur setup would need this replacing already, my chain is 1% worn according to my chain wear indicator, I’ll replace that at nearer 2% probably, again derailleur owners would need to replace now.
The finished RHS:20130511-154408.jpg
While I was shopping for the above I also bought a saddle, Maddison Prime:20130511-154815.jpg
Here’s it fitted, note the road profile of it and the fancy ruler for elite setup:20130511-154824.jpg
I just stick it in the middle, angle the nose up a tiny fraction and that’s fine. Maybe I’ll fiddle with it in future, but I tend not to notice much difference. It’s definitely harder than my last saddle, but doesn’t seem to bother me yet as my cycling distances are tiny now I work closer to home and have a baby that takes up my cycling time.
That was that for that night, the next evening I did an oil change and tightened my mudguard bolts (Surrey roads rattle them loose). Next morning I’m all set for commuting again:
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What a lovely steel machine she is.