I have one that replaces the U Bolt bottom bracket. Easy fitting and does what it should. Got mine from SSL.

Thought that it was a better option than the spring clamp method.

"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10