JamesM
Senior Retro Guru
Shows up the likes of Shimano etc. who can't seem to think of anything new except more gears.
http://www.youtube.com/watch?v=toym0NTle5Q
http://www.youtube.com/watch?v=toym0NTle5Q
Raging_Bulls":aycymz5z said:Nice idea, but I'm afraid weight will still be an issue for anyone who isn't into downhill.
02gf74":20a51esh said:what I was hoping to see was the segments being movable in and out so in effect increasing the number of teeth on the chain ring.
Raging_Bulls":2m1z6x0h said:What he means is making the front chainring variable in size, so it can be the equivalent of a 32T, 33T, 34T, 52T, etc depending on the position of the front shifter.
Theoretically it's possible if you work with a lot of small segments that all expand outward. The key then is to keep the chainring as round as possible to avoid an exaggerated "Biopace-effect"