You can also check out the bicycle shops. Again, just make sure you are getting quality. I would suggest the 70 inch units, You can always cut them down to the length you need. Measure the sheath and cable, Make the sheath and pull the cable back inside, past your mark. The cut your sheath, hang the cable then cut the inner cable. If you put a little solder on the inner cable, before you cut it, you can prevent it from unraveling. Look for adjustable levers. They come in handy when getting the brakes just right.