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- Remove FD and cables, and replace shifter with a lightweight brake lever (Sram 900 carbon TT lever?)
- Shorten chain as you won’t have a ‘big’ ring.
- Chop handlebar drops.
- Remove FD and cables, and replace shifter with a lightweight brake lever (Sram 900 carbon TT lever?)
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I have s900s on my fixie, was considering taking out the shifting mech on the left shifter.
A bit hesitant in chopping bars, might go like @dbr and have bullhorns.
What is the weight of mountain bike style trigger shifters?
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If you have money to spend, for £50 the hylix bullhorns are 155g. These levers - https://www.sjscycles.co.uk/brake-levers-other/?brand=jtek+engineering are £40 each but an eye watering 32g.
You could then put a bar end shifter in one end due to the way the levers clamp onto the bar - that is if the bullhorns have 22.2mm ends..?For my build I've gone for Chinese carbon bulls/s900 levers and a single down tube shifter, which is fairly light.