Arrives before Christmas 
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Free-backing, driver's-side and passenger's-side brakes won't engage when you reverse, even if your actuator is activated. Galvanized steel resists rust, making the assemblies great for boat trailers. Fit 14" to 15" wheels.
Features:
Specs:
Note: Because free-backing brakes are designed to eliminate nearly all friction between the brake shoes and the drum when you are driving in reverse, a trailer breakaway kit will not be effective should your trailer disconnect from your tow vehicle while you are backing up.
Free-backing brakes let your trailer move in reverse without the brakes being activated by your surge actuator. These brakes are needed if your actuator does not have a reverse lockout, which is a mechanism that ensures that the actuator does not activate when your rig moves in reverse.
Each of these Demco free-backing brake assemblies has a fall-away shoe that is designed to provide full braking action when your trailer is moving forward and to supply only limited friction when the trailer is moving in reverse. This is largely due to the incorporated dual springs at the shoe's pivot point. (One spring sits on either side of the shoe lever, so only a single spring is visible when looking at the brake assembly.)
When your rig is moving forward and you engage the trailer brakes, each fall-away shoe expands normally, with the leading edge of the shoe catching the drum. This occurs because the plunger on the hydraulic cylinder pushes on the shoe lever, forcing the leading edge of the brake shoe into the drum. Once that edge catches, the dual springs at the shoe's pivot point facilitate braking by forcing the rest of the shoe to pivot into the drum. The action of the shoe against the drum provides the friction required for braking.
When you are driving in reverse, however, the hydraulic cylinder and the springs work against one another. Even though the plunger pushes on the shoe lever, the dual springs of the fall-away shoe overcome the pressure from the brake cylinder, keeping the leading edge from catching on the drum and ensuring that the shoe does not fully pivot into the drum. Because the shoe makes only slight contact with the drum, just enough friction is generated so that only a minimal amount of braking occurs when you are in reverse.
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Average Customer Rating: 4.7 out of 5 stars (126 Customer Reviews)
Free-backing, driver's-side and passenger's-side brakes won't engage when you reverse, even if your actuator is activated. Galvanized steel resists rust, making the assemblies great for boat trailers. Fit 14" to 15" wheels.Before you purchase this "kit", check the individual prices for each side. After my purchase, I checked the individual prices and they were LESS than what I paid for the kit which included both sides. I had paid extra for quicker shipping. That did not happen, so Etrailer did refund my extra shipping costs. I did leave messages to two separate employees about the pricing problem, but received no response. The backing plates did install easily and do work well, as the only snag to the installation was that the last set they sold me had mounting studs, not bolts. So if you have no bolts on hand, you just need to tap out the old studs and drill the holes in the backing plate a hair larger and the old studs will work just fine. Even though these are marine grade, give them a very thorough rinse after being in salt water, because even with a good rinsing the salt will tear them up pretty quickly.
This is my first time dealing with eTrailer. There videos, phone help, shipping, ease of tracking, and even packing were second to none. I did price shop and their prices were as low as anyone else. I very highly recommend them.
Bearings are junk! Packed, installed and running with bearing buddies. Lasted maybe 6 trips to the lake and then one inner blew apart. Had the other checked when it went into the shop for the damagrd caused by that blow up and mechanic though we reused bearing because the other looked so shot. Got ahold of etrailer and they agreed something was defective. Nope...just junk. No way 2 out of the same order were both defective. etrailer response was basically sorry. Disappointed all around. The rest seems to be holding in ok
2000 ez loader trailer complete brake job. 2 axle torsion suspension. All 4 axles . I ordered 4 complete brake /backing plate assemblies and 4 new hubs. My complete order showed up on time afew days later. After I got the trailer and boat jacked up and started to take things apart I overlooked not ordering the transitional flexible brake lines that go from the hard lines into the back of the brake assembly. After traveling for 30 minutes to a hydraulic brake line shop to have lines made up they told me they did not have the fittings I really needed these lines to get this job done for the weekend to get the boat out on the water. So I called etrailer and was connected to Tiffany who I must say provided the best customer service I've ever experienced she worked with me on getting the correct items and set up next day rush shipping. She even personally made sure that my order got out the door and called me personally to let me know . There aren't too many companies that goes to that length to serve their customers. The next day at 10 a.m. the were delivered to my front door. (From half way across the United States ) . I was trilled to say the least. Thank you etrailer and a special thank you to Tiffany. In customer service for your personal attention and follow up regarding my order.
Steven
9/29/2019
The complete brake and line replacements our working great 1 year later. And I put alot of miles on my trailer both to salt water and fresh water.
Yes it's a great setup working very well new brakes are awesome I never knew the boat trailer had such good brakes I've had it for over 20 years.
Perfect replacement brake kit for my car hauler. Excellent quality, and easy bolt-on installation. Would purchase again. The strainer staff and product images on the page were also helpful.
Work great easy to install. Put them on my boat trailer I have brakes again!!
Haven't used them yet because I have to install a new actuator... however these were an exact fit and easy replacement on my 1981 Somerset boat trailer.
Robert C.
6/2/2021
Working fine after a year of use. Great product.
Although I haven't had a chance to put lots of miles on them, all the times I've used them they've performed well. So far no issues.i put these on a dual axle trailer with a 22' boat.
24 yr old boat trailer brake cylinder finally fails. Brake shoes very thin. Every thing rusty and dirty.
I look at cylinders only, pads only, then found these! Everything new at reasonable price and delivered on time.
First trip found them to be smooth in operation. did not jam on at the last minute like the old ones did. THANKS etrailer.
I had really bad luck with these. I bought the recommended drum straight off the page, and ended up having to take an angle grinder to the outside edge of the shoes to keep them from dragging metal on metal, on the horizontal plane of the shoe. Nearly 1/16” over spec when we measured.
Hey George just got done installing your brake system on my Carkins dual axle boat trailer, what are nice product they went on beautiful no issues whatsoever extremely satisfied following is a picture of before and after , I just bought the boat and trailer and could not believe the condition of the brakes
Works fantastic.
So far so good - the boxes came fast, and the quality looks excellent. All parts ordered were received. The phone and technical support was amazing! Thank you!
This was an exchange I sent the original ones back and have not received the refund after 2 weeks. It cannot take this long to issue a refund; this means your customer service is lacking.
Lori is knowledgeable about your products, and very helpful with handling my order. Thank you!
I bought these right and left hydraulic brake assemblies for my boat trailer at a great price. I received my order one day earlier than promised. Etrailer.com really rocks to satisfy it’s customers. They provided an awesome tracking link for me to review my order’s shipping progress. This is the best tracking link that have ever experienced. Both complete brake assemblies fitted perfectly in place of my old assemblies. On each Brake assembly, I just had to remove the 4 mounting bolts from the axle flange and the hydraulic hose. Then install the new complete brake assembly, tighten the 4 mounting bolts and makeup the hydraulic hose.. This made this brake job a breeze! It was a pleasure doing business with you.
Thanks Etrailer.com!
Larkin
2/11/2021
Working great with no problems. Good product!
Great replacement. Took off the old crud and cleaned up the mount. The new assembly bolted right on.
Very late on delivery this happened the last time I ordered from you also.
Fast shipping, good parts
After launching my boat, my left trailer wheel with drum brakes started locking up on my 2005 boat trailer. Thus, I decided to replace all brake and hub assemblies including both backing plates. I found all parts online from etrailer.com, and it was an easy repair.
I contemplated changing from drum to disc brakes at this time and get rid of the heavy hubs. However, I would have to replace the drum brake actuator with a higher pressure disc brake actuator, and I would have to run a wire to the reverse lights to keep the disc brakes from engaging when backing uphill.
Brakes work well and are a good value. I also bought an actuator and new lines to replace an existing, old trailer brake system.
The detailed descriptions of these products is great and helped verify that they would fit my trailer.
The gravity bleeding system that the etrailer video shows did not work for me.
I repeatedly pulled on the emergency breakaway handle on the actuator to fill and bleed the system.
I gave the brakes only 4 stars because I just put them on and have not road tested them. They look great for rust prevention as they are for a boat trailer, I will be road-testing them tomorrow, and I'm sure they will get 5 stars.
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Katrina D.
7/30/2024
Awe yeah, that does sound like a pain. First off, let me go ahead and get that extra shipping cost refunded back to you. As for the pricing, it looks like the pricing doesn't seem to add up due to the prices changing regularly for the individual parts. I have informed the proper department to look more into this and see what we can do to get it corrected for the future.