Average Reviews:
(More customer reviews)I purchased this item from Niagara Cycle Works and received it promptly. Their price was more appealing than RDS Bikes. This type of instrument was common years ago but the older ones were made of metal and had a small diameter metal wheel attached to the spokes. The disc was perforated near the outside edge and a metal gear meshed with the disc to drive the speedometer cable which in turn operated the speedometer and odometer. This made in China product is genuine plastic. While not the quality of the old American models, it operates very well and for the money I am most satisfied with it. It is easy to read while riding compared to the electronic models which can be very difficult due to light reflection. The installation is very simple. Noting a complaint regarding lack of instructions, here is how installation is done: The accessory has 3 basic parts - the head (as pictured above), the drive cable and the drive gear assembly. Starting at the bottom, the drive gear has a metal arm that protrudes through the spokes. This, in turn, rotates a small wheel that powers a gear that rotates the cable that runs up to the head. (it remains to be seen how well this will hold up over time as the remainder of the drive gear is plastic)
Unbolt the front wheel after deciding if you want the head on the right or left side of your handle bars. The drive gear can be mounted on the left or right side of the axle There is a plastic cap that screws on the end where the cable is not inserted, the cable can be inserted from 2 directions, just one is needed, insert it into the top side and the cap goes to the bottom. Unbolt the front wheel and remove it. Recenter the axle slightly to compensate for the space used by drive gear attachment. Slide a washer (provided) onto the axle, the drive gear, a second washer and then reattach the wheel to the fork. It might take a bit of pulling to slightly spread the fork. Position the drive gear so that the cable can go straight into the drive gear attachment, tighten your front axle bolts - but - not too tight as you do not want to break the plastic gear housing. The cable screws in on the top side. Mount the head on the handle bars, screw the other end of the cable into the head and you are in business! One more thing: To keep the cable from snagging onto something, I used a couple of plastic cable ties to bring the cable tight up against the side of the fork. As the handle bars and front fork turn in unison, there is no binding of the cable. Would I buy anogther one? I would without hesitation should the need arise. I have seen replacement drive gears advertised for a few dollars, so no sweat if the drive gear apparatus wears out. Not being interested in 15 or so functions that the electronic models offer, this one suits me just fine. Hope this helps anybody with questions of how these are installed.
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