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2

The main problem that stands out to me is - as strong as Commencal's bikes are - when you slacken the head angle and add more weight to the front end, especially simultaneously, you are putting a ton of stress on your head tube which is likely designed around a specific travel fork. As you could imagine there's already a ton of stress on the head tube as it ...


1

The pictures definitely show a chain that is routed incorrectly on the wrong side of the derailment prevention plate. (See diagram) It doesn’t matter that the bike is upside down, the chain is clearly on the wrong side of the plate.


7

Looks like what is known as an 'adjustable cup and cone' bottom bracket. That means the bracket can be disassembled, and the axle and ball bearings will come out; also the clearance between the cups and cones (the surfaces the ball bearings run on) can be adjusted. This differs from a 'cartridge' unit that is pressed together and cannot be disassembled or ...


3

Adam is correct that it is rarely a problem to find spare parts for discontinued bikes. Most of the items you'd need to replace, like the chain and cassette, are standard items produced by big manufacturers. There are some possible exceptions, but they tend to be minor. The rear derailer bolts onto an item called the derailer hanger. Almost all derailer ...


21

Generally it's absolutely fine to buy a relatively new bike, and not worry about component availability. Bicycles are not like cars that have specific components for each model, or at best some component sharing across a manufacturers models. In general, practically all bicycle components are standardized so that bicycles can be built up (or modified) with ...


8

According to the 2017 Catalog on the Orbea website, the M40 comes with Shimano Tiagra 4700 components, which are serviceable if not fancy. For an entry bike they'll do fine, and Tiagra 4700 is still the current model per the Shimano website. Even once Shimano updates the Tiagra line, there will still be lots of older components available and Shimano will ...


7

Maintaining this bike shouldn't be a problem. Although there are all too many standards for bicycles and bike parts, almost all parts are made to some standard, and that bike appears to be using up-to-date standards without any especially weird parts. The parts are not made by Orbea anyhow, they're made by other companies, and in any case you'll be able to ...


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