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Man, more I looked in to it the more I ask if it would be better to use decathlon buy back program and buy another bike (like GRVL 120).
But if I would suggest to look in to Microshift Advent X or sword shifters/derailleurs. They are cheaper, only 10 speed (that's good enough) and you can get decent gear range also if you go 2x it gets to even larger. It is compatible with shimano and fully mechanical.
I bikepack with 34/46 front and 11-42 back 10 speed and it is just barely enough gears.
You kind of beat me to the punch but I saw this reddit post: https://www.reddit.com/r/bicycling/comments/1266tr6/triban_rc100_sora_drivetrain_upgrade/?tl=fr
And wondered if the stock rim could accomodate the advent 1x9 or 1x10?
What do you think?
Would make finding e erything a lot easier.
Probably, shimano has 3 hub types.
If you have access to some 9 speed cassette, try to fit it (ask friends or lbs). I think that the 10 speed won't fit but the 9 might be OK.
The Shimano page for those wheels say that is the hub has a spline typre of HG L (road)
This compatibility table should help but what derailleur you are running will dictate what cassette you can use as well, if you want something with a high range between the lowest and highest you'll need a derailleur capable of shifting between that range too.
I was thinking of using the Sensah Pro derailler and levers, that is if the mechanical levers are compatible with my rim brakes.
The derailler can go up to 50 or 52 teeth I think.
Seems like it's designed for shimano so it looks like you'll be fine with an 11 speed hyperglide road cassette with a spacer. Assuming you're planning for a single ring up front. I agree it seems to go up to 52 teeth in the lowest gear.
Do you think the levers would work with my rim brakes? I heard it could make the brakes dangerous if the levers are not correct.
I can see someone with a Triban on Ali Xpress with rim brakes so you're probably fine. You need specific levers for v brakes but you probably have road rim brakes yeah?
Triban RC100 has these no name Dual Pivot (if got the terminology right).
I might have found an easier and cheaper option. On this reddit post: https://www.reddit.com/r/bicycling/comments/1266tr6/triban_rc100_sora_drivetrain_upgrade/?tl=fr They install a a Shimano Sora groupe with a 9 speed cassette on the stock rims, so I wondered if a Advent 1x9 or 1x10 would work.