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2

My understanding with the Shimano hydraulic system is that any lever is compatible with any caliper from the entire range (road or mountain). My suggestion would be to use a lever that is is usually used with a caliper with the same number of pistons as the caliper on your bike to ensure you get the right "feel". This will probably be a single pair ...


18

Looks like a derailleur guard It mounts to the rear drop out on the derailleur side. It protects the derailleur from some impact damage. EDIT: 06/19/2021 The comments seem to be running strongly against the need for this device. Many experienced riders see this device as useless, and for their use case this is true. One possible use case: If I had a child ...


0

"better components, more durability" This is only partially true. Firstly, the wear parts are mainly tires, brake pads and chains, to some extent cassettes. Also chainrings wear, brake rotors (if disc brakes) and rims (if rim brakes) wear too. Secondly, more money usually buys more precise shifting in the derailleurs for example but also the ...


1

Have you checked that your derailleur hanger is straight? You’d need a hanger alignment gauge like the Park DAG or Shimano TL-RD11, etc. there are lots of different options from different bike tool suppliers, but it’s always my first step with any rear derailleur adjustment, to check the hanger. I also find most of the bikes I see are at least a little bit ...


2

I'm only dimly aware of Thompson bottom brackets, but: The visible thread on the spindle isn't a concern or a sign that something is wrong. My understanding is that, like Ashtabula/one-piece/American bottom bracket shells, the shell widths found on different Thompson shell bikes can have some variance due to either low tolerance or lack of real ...


1

The crankset should have a bottom bracket spindle length specification. I didn't see one listed in your link, but I don't know Polish, only Latvian :) Can you find out the correct spindle length from the crankset manufacturer? Either that or try to find a crankset that uses a 124mm spindle length. From my limited experience, 124mm seems like a long spindle ...


1

The only thing I can think of is that maybe the various adjustments are set so initially you are barely on the 8 side of gear 7/8 and after 6 steps you are barely on the 1 side of gear 1/2. It's worth examining your rear derailleur closely to make sure the hanger is straight and the derailleur itself isn't binding or damaged. I would go through the full ...


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