Be very careful with securing the mounts to the rearstays, do not overtighten and crush them! Old tubes under the clamps will be great to get a bit more grip :D
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Oh, and people with V-brake adapters: Are there instructions... and, uh, are there such a thing as seatstays that are too narrow to accept them... it looks like I have 3mm from the edge of each stay to its counterpart slit on the plate for the plumbers clips.
Be very careful with securing the mounts to the rearstays, do not overtighten and crush them! Old tubes under the clamps will be great to get a bit more grip :D