Originally Posted by
REDFOX
You should be able to buy and install the newer style bottom bracket and cranks with your existing frame. If you don't already have an eight speed cassettle, shifter, and rear derailur, it may be difficult to find this set up. You probably won't notice any performance increases from changing the cranks and bottom bracket, but an upgrade is an upgrade. I don't typically change my crankset unless it breaks or I am looking for a different color. My most noticable upgrade has been good tires. This allows me to carry speed and momentum into corners and for the uphill sections without worrying about washing out, braking control and traction for technical areas. In the old days even the most expensive bikes came with crappy tires, or no name brands not known for making bike tires. Keeps us posted on your progress.