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Your cart is empty.BR-R451 Road Brake Calipers Features-Adjustable toe-in brake shoes-Use of these calipers with standard SLR enabled STI and brake levers results in a "mushy" brake response-Compatible with STI and brake levers that are Super SLR enabled (e.g. Dura Ace Di2 7970, Dura Ace 7900, Ultegra Di2 6770, Ultegra 6700, 105 5700, Tiagra 4600)-Light action and accurate brake power Item Specifications-Brake Lever Actuation:Short Pull Super SLR-Defined Color:Black-Brake Mount Type:Mid Reach Caliper (47mm - 57mm)-Pad Type:Cartridge-Brake Position:Rear
Michael E.
Reviewed in the United States on June 16, 2024
Overall a decent quality mid/low end brake caliper. Not something I would put on a race bike or high end road bike, but good for a commuter, urban, or cruising bike. My only complaint is that the pads that came with it are garbage. I replaced them with Shimano BR-6700 Ultegra Caliper Pads and they are significantly better. Literally night and day difference. I installed this on my fixed gear and left stock pads on front and the upgraded pads on rear and the braking control/power on the rear was significantly better than the front. If you're only riding occasionally the pads that come with it will suffice, but definitely upgrade if you ride frequently.
Rafa D
Reviewed in the United States on June 30, 2023
Bought a new Trek Domane 2 with caliper brakes. Had originally purchased a front and rear set of 105 caliper brakes, but I could not find anything other than short reach versions. Rear brake arm was not long enough (as the brake pad would not entirely cover the rim, making riding on it dangerous for the tire bead), and this was the only modern Shimano caliper brake with a mid reach or longer. This is a generic Shimano brake. Nothing special, but it's a Shimano, so you know it will be reliable. The build quality of the bolts is mediocre (the factory cheap Chinese brake bolts on the Domane 2 were actually better, so I kept those instead of the Shimano ones, and also kept the cable adjustment screw as well, as the Shimano one is slightly heavier). Build quality of the brake itself is great, though. Changed out the brake pads immediately to a shoe-and-pad arrangement, as the default ones on this brake are also mediocre and cheap. Overall, decent brake for a mid-reach.
Ezequiel F Martinez
Reviewed in the United States on June 29, 2023
Replacement for current caliper. Easy to install and adjust.
Thomas Carter
Reviewed in the United States on September 24, 2022
Front brake, nothing rear about this.
TK Lim
Reviewed in Singapore on April 3, 2021
Works well but quality not so refined.
Rob
Reviewed in the United States on September 14, 2020
I love the style image plus the color looks awesome on my bike plus it was easy to install I replaced my original brake pads because of the original ones were worn out plus I am all about detail and style plus h ing the most modern of items on my Cadillac bike!
MuNaught
Reviewed in the United States on June 19, 2020
The rear caliper on my Nishiki Men's Maricopa Road Bike was broken and dragging, and I made it worse trying to fix it. This was a perfect replacement and works great.
UncleDanDan
Reviewed in the United States on February 2, 2020
Nothing fancy, but seem sturdy and give decent breaking performance. They are longer reach so my pads are nearly all the way to the top, but I knew this when I ordered them. They are still within acceptable range for a normal frame in case you were wondering.
Erik W
Reviewed in the United States on October 14, 2015
Shortly after buying a single speed Masi off of craigslist, I noticed the previous owner tried to adapt a short reach brake caliper to the rear mount, causing all sorts of issues with brake pads rubbing into the tire. Being the penny pincher that I am, I searched long and hard for a cheaper generic replacement. The reviews on such brakes were iffy at best and I am glad that I purchased a Shimano product. This brake handles the hilly topography of Seattle nicely. The set up was easy. Like others have mentioned, the brake pads that accompany this brake are sub par. For the price of this brake, I have no complaints. I'd highly recommend it!
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