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#22
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MTB pedals on a road bike?
Mark wrote:
Ted, Grease is certainly NOT a satisfactory substitue for an anti-seize compound. Being a mechanic by trade for 30+ years, I've seen other guys use regular grease to coat threads on bolts, etc., and seen these same bolts snap, or strip whatever they were threaded into further on down the road. (Especially with dissimilar metals) You might think grease is better than nothing, but in most case gives absolutely no improvement vs nothing at all. Read up on this. Really, does it pay to cheap out for a $3 tube of Anti-seize? As mentioned before too, constantly changing out Pedals over, and over isn't a good idea either. Mark Ted Bennett wrote There's no need for anti-seize here, as ordinary grease will do the job just as well, is cheaper and is already wherever bikes are worked on. Anti-seize may indeed be useful in fixed joints, but a pedal-crank joint is not fixed. Red iron oxide rouge is commonly found there in the case of steel pedal spindles, indicating the movement. There has been a lot of discussion of this, and other faults of this joint. I'll stand by my statement. Grease in a moving joint will do the job just as well as anti-seize, as demonstrated by the lack of pedals that seize into cranks. The far more common problem is fretting of the surface of the aluminum crank, leading to cracks around the threaded eye. -- Ted Bennett Portland OR |
#23
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MTB pedals on a road bike?
"Peter Cole" wrote in message news:DEQec.27857$xn4.49892@attbi_s51...
"Russell Seaton" wrote Road pedals are superior for actually pedaling. How so? 1. Larger pedal surface to push against. Pressure spreads out more and far less likely to feel the smaller SPD or Frog or ATAC cleat through the sole of the shoe. Stiff shoes help, but do not solve the problem. I have a pair of Carnac road shoes with their UCV3 sole, and a pair of Carnac mountain bike shoes with their UCV3 sole. Same sole on both shoes except the mountain bike shoe sole has plastic lugs glued to the bottom. Both were $200 or so shoes in the late 1990s. Their top of the line shoe at the time. On long rides of 80 plus miles I can feel the SPD cleat. On long rides of 180 miles on the Time road pedal, I can't feel the Time cleat through the shoe. 2. Less slop between the cleat and the pedal. On SPD pedals and cleats, you can pull your foot up and feel a little slop. Its not a zero clearance fit. On my Time pedals and cleats, you cannot pull up and feel any slop. SPD and Frog and ATAC are designed for mud and slop. They have to accomodate a little slop between the cleat and pedal. There has to be some room for this slop to go and still allow the pedal and cleat to interface. 3. More secure grip between pedal and cleat. I can yank my foot out of my SPD pedals and have when I was ready to fall. I cannot rip my foot out of my Time Equipe pedals and do fall over. Road cleats such as the Time or Look have a large cicumference for the pedal to grab onto. And fairly large hooks on the front or back of the cleat that the pedal grabs onto. More surface area is being grabbed by the pedal on road cleats. In contrast an SPD cleat has about 1/2 inch of cleat circumference in front and 1/2 in back for the springs to push against and grab. I prefer my Time pedals in a sprint. How many pros ride SPD road pedals? Shimano sponsors many riders but I don't recall their SPD road pedal being much of a hit in the pros. They developed the SPD-R to fix this problem with no one liking their SPD road pedal. Then they developed their Look style pedal to fix the problem of nobody liking their SPD-R road pedal. But they are still using the SPD for mountain bikes. If the SPD was superior on the road to regular road pedals, the pros would use them. Their fame and fortune is made by winning. If a pedal can help, they will use them. And if the SPD style of pedal and road pedals are equal for road use, then you would expect to see an equal number of Shimano sponsored riders using their road pedals and an equal number using their mountain bike pedals in the pro peloton. And with Time sponsored riders you would expect to see an equal number of riders using the Impact/Equipe pedals and an equal number using the ATAC pedals. And with Speedplay sponsored riders you would expect to see an equal number of riders using the Zero pedals and an equal number using the Frog pedal. If mountain bike pedals and road pedals are truely equal for road use, there is no reason for pro riders to favor one over the other. Shimano and Time and Speedplay and others would pay them the same either way. But they aren't equal for road riding. And I would guess the pros use road pedals over mountain bike pedals on the road because of the three reasons listed above. |
#24
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MTB pedals on a road bike?
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