>>1857698behold my custom drive train im planning to build, a true work of autism
>aliexpress bcd104 152 mm cranks (im short and i like to speen)>aliexpress bcd104 22t circle granny gear(already aquired)>2 aliexpress bcd104 narrow wide oval chainrings 32t (aquired) and 34t>aliexpress 9s 50t to 11t cassette (already got)>new chain (guess where from)>ebay second hand rapid rise deraileur (have an old one on another bike its baseded)>ebay m90 friction thumb shifter for the chainrings>ebay m90 index thumb shifter for the chainringsshifting pattern
>using the 2 ovals works like old 10speed half step shifting>alternating between chainrings gives you gears half way between each other so you have a huge range of gear ratios with minimal duplicates>hills ez as fuck>teeny granny gear is just there cos its entertaining having a gain ratio that can tow a truck>the orange parts of the chart are just avoided cos narrow wide chainline noises ew>red are where the deraileur runs out of chain capacity and the chain goes slacknever gonna crosschain it like that anyway
