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The death of rim brakes?
On Tuesday, March 19, 2019 at 5:57:26 PM UTC-7, Mark J. wrote:
On 3/19/2019 9:24 AM, sms wrote: On 3/10/2019 6:34 AM, wrote: I keep reading see all the bikes coming out and basically all disc brakes. I cannot believe rim brakes are going to be gone but maybe I am just kidding myself. I frankly hate the disc brake look and certainly for a long time parts will be around but are these rim brakes a dead deal. Deacon Mark In 1975 JC Penney sponsored a cross-country bicycle tour to promote their new disc brake-equipped bicycle, apparently made by Huffy. If not for JC Penney, we'd all still be riding bicycle with rim brakes or coaster brakes. Video at https://www.youtube.com/watch?v=k10233DdFi0. Note the lack of helmets and the clothing. Right after JC Penney came out with their disc brake-equipped bicycle, Sears came out with their hydraulic brake-equipped bicycle. Sears and Penney's led us into the age of disc brakes and hydraulic brakes. JC Penney disc=brake rear wheel: http://velobase.com/CompImages/Brakes/001CD095-5B7A-4C29-BE06-6F9D357D01CD.jpeg https://i.ytimg.com/vi/Eqqa0sg9HNo/hqdefault.jpg Sears hydraulic brake-equipped bicycle: https://goo.gl/images/ymHkCz Looking at the Penney photos, I can't quite make out the logos on the disc caliper housing; is that one of Shimano's prehistoric calipers? I can just barely remember, but we had an early (78-79ish?) Shimano disc on our tandem before we swapped it out for a Phil Wood. My very dim recollection is that Shimano made two generations of disc calipers in that era and that the Penney one shown may be the first. I think I had the second. The Phil Wood is still working just fine; after years not using it, I remounted it last summer and was happy to have it for a tour in South Dakota's Black Hills. Note I DO know why these aren't made anymore, but used /only/ as an auxiliary drag brake, it's not particularly risky. I think the design's troubles were when used as a primary brake. Liability exposure did the rest. Mark J. I saw the prototype at Phil's shop and the later production models and thought it was bizarrely complicated, but I guess that was necessary for use on a bike with no special mounts. I rode with one of the shop guys who had one on his bike, but before you, I didn't know anyone who actually bought one.. Cutting edge, baby! -- Jay Beattie. |
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