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Bike Fitment
Description
Brake Caliper Repair Kit 38mm ATE
The old ATE Brake calipers can use all the help they can get for effective braking. We now offer this rebuild kit at a fraction of the cost from the original manufacturer. This kit consists of a new piston, piston seal and dust cover. 38mm fits models up to 1975 model year. Later models have a 40mm piston. If you are in doubt, you'll find that your caliper is stamped with a 38 or 40.
Comparable to BMW Part # 34 11 2 301 705
Sold each. Order two if your bike is a dual disk model.
34 11 2 301 705
34112301705
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Josh | September 5th, 2022
Much better breaking power. Thought i was going to have to replace master cylinder but the kit and a bleeding did the trick.
Edward J Keen | April 23rd, 2021
Just what the mechanic ordered (Me) fit perfectly and was a welcomed addition to my bike. Thanks for the fast service
Claude Brown 4147400245383789 | June 20th, 2020
These pistons are no longer available from BMW, fortunately Boxer 2 valve was able to source these items at a reasonable cost. They are an exact fit and now I can toss my rusty ones.
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