Advantages: Well made. Well finished. Excellent durabilty. Quality piece of kit Disadvantages: Come equipped with Rim Wranglers Brake Pads
A bit of History
V-brakes were originally developed by Shimano, and were an improvement on the older centre pull cantilever brakes. By lengthening the arms the amount of force applied to the rim could be increased, so improving braking performance.
V-brakes are now being superseded by disc brakes. Disc brakes offer vastly superior wet weather braking performance, and are the brake of choice where extreme performance is required i.e. freeride and downhill.
And the Avids?
The singledigit 7's feature Force Vector Alignment, and stainless hardware. Build quality and finish is excellent. I know because I have some Deore's and Tektro's to compare them against.
Durability is good too - paint and fittings have lasted extremely well despite 2 years worth of being sprayed with mud and then hosed down by yours truly ...
Advantages: Last for ages and easy to fit Disadvantages: None
I've used the Avid BB7 mechanical for over three years now & have been satisfied using these sintered (Gold) pads. The setup was both the stock 160mm rotor & 185mm rotor. Even in pouring rain the 160mm plus these Avid pads stop the bike with great modulation. Now I have one installed for the front for my XC bike which stops like a dream. Occasionally dirt and oil may require you to clean them by either soaking the pads in alcohol & sanding a thin layer. In either case, the pads last a long time and the break-in period is fast! (Just pour water on the rotor, go down the hill and brake hard couple times)
These brake pads can vary from dealer to dealer but mainly the retail for around £15, there are various online stores that they can pe purchased from including "Evanscycles.com" and "chainreactioncycles.com" ...
Advantages: Easy to fit and maintain plus great price Disadvantages: Will need adjusting from time to time
Overall:
The Avid BB7 mechanical disc brake is a good option if you're looking for an aftermarket mechanical disc brake that's both affordable and adjustable. By most accounts (including mine), the Tri-Align Caliper Positioning System is the easiest way to mount a disc brake on a mountain bike, and it allows you to spend less time cursing tiny shims and stomping around your shop or garage.
While I wouldn't argue that the long-term performance of the Avid mechanical brakes trumps that of most hydraulic brake systems on the market, they're far and above the best mechanical disc brakes that I've tried. If you have the choice between a set of Avid mechanicals and pretty much any other mechanical disc brake available today, go with the Avid and save yourself a bunch of headaches and many days of sore hands. If you're considering a set ...
helix1250 29.08.2007
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Ciao members have rated this review on average: very helpful Review of Avid BB7
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