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4

It doesn't make much sense to spend a lot of money on tires for what you say is a cheap bike, but you can find slick tires with a width of about 1.5" that are great for urban riding. As long as they have a bead-seat diameter of 559 mm, they will fit. Solid innertubes have notoriously high rolling resistance. I would only choose them for a bike where ...


1

There is no need to have the same dimensions. To make it short, the width of a bike tire is mostly dependent on your rim inside width (that you can measure when the tire & tube are removed) and frame clearance. Given you'd like something smaller, it's only the rim inside width that is relevant. It's quite easy to find tables (search for: tire rim chart). ...


1

Hm. Let’s think about this for a second. Info is specific to Shimano: Flat mount MTB calipers are just relabeled road calipers. Therefore, MTB levers can properly actuate road calipers. Accordingly, since road levers and MTB levers can both actuate a 2-piston caliper, one can then deduce that road levers can properly actuate MTB 2-piston calipers. Since 2-...


5

The problem with your proposal is the spacing of 9 and 10 speed cassettes is different. The 9 speed shifter will pull the 9 speed amount of cable and the derailleur will move the 9 speed space between cassette cogs. If the cassette is a ten speed with 10 speed spacing, the cable pull and derailleur movement (being 9 speed) will be off and shifting will be ...


5

No, the number of gears you get is defined by the shifter. Even if the cable pull was compatible, which I don't think it is, between Tiagra 9 speed and 105 10 speed, you wouldn't be able access all 10 gears.


1

The answer is no, you cannot use any of your older shifters, unless they're one of these time trial shifters: ST-R9160 ST-R9180 ST-R8060 SW-R9160 or the satellite shifter: SW-R9150. Shimano has not given any of the other older components the firmware updates required to work with the 12-speed components. While you can connect those components using the ...


0

No, Shimano 11 mountain and road cable pull are different. If you want bigger than the 42t that GRX rear derailleurs can do, you're going to either be dropping down a road derailleur with one of the hanger extensions, or using an adapter to a mountain derailleur.


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