Dead right Tom, i've just fitted one these on mine, with the proper bracket welded under the swingarm, it looks like someones done the same but couldn't be arsed to go to the trouble of removing the swinger and welding on a fixing point for the brake arm, hence the length of threaded bar, which looks like it bent under the strain.
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Proud Father of , 05 ktm 400exc supermoto 2018 honda crf rx supermoto