Armen
Serious Thumper
Offline
Half-Witted Wrench-Jockey from Jersey
Posts: 1452
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I happened to be digging through the factory service manual and came upon the alphanumeric code for the belt. I called up my favorite belt and bearing people (Worldwide Bearing in Fairfield NJ) and read off the number. "Does this exist?" I asked. "And, any chance it exists in two teeth longer, and only 25mm?". Hmm Lots of head scratching and Chris come up with 3 possibilities. He can get the equivalent of stock, with a fiberglass cord. Or, they have a MUCH better/stronger one. Or, they have a MUCHMUCHMUCH stronger steel braided core one. How about the widths? I ask. Hmm Seems this belt comes on a roll. They cross cut it to whatever width you want. At this point I have the stock width 40mm pulleys, a set of 25mm pulleys, and a 22mm-7/8" wide front pulley that I never made a matching rear one for. "Any idea of the load ratings of these 3 belts? No, but the manufacturer claims the steel core one is Much stronger than the middle grade one which is much stronger than the OEM type. Doing a completely non-scientific comparison, I figure that the OohBabyOohBabyOoh steel one is prob what big heavy bikes are using. So, I order one cut to 25mm/1", as I haven't finished modifying a rear pulley, and I kinda want to finish the bike before I die of old age. A few days later a wonderful new belt, 2 teeth longer (140) shows up in the mail for a very reasonable $170 or so.
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