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I've got both http://gearmechhanger.com/epages/950001649.sf/en_GB/?ObjectPath=/Shops/950001649/Products/D87 (ordered from Wiggle, put on by Evans) and one that looks very much like http://gearmechhanger.com/epages/950001649.sf/en_GB/?ObjectPath=/Shops/950001649/Products/GH-080 (sent to me by Mekk)
The issue with both is that the bolts supplied only seem to grip by about a single turn, leaving loads of thread on the mech. This lead to one of the bolts having fallen out whilst riding, and the other being held in just by the quick release, and falling out when I popped the wheel out to fix a puncture.
Really really fed up of not being able to ride now.
MrDrem-
M4 countersunk screws of an undefined length but maybe 10-12mm.
Buy some of these and choose the length you need.
Or probably better with hex here http://www.ebay.co.uk/itm/M4-A2-COUNTERSUNK-CSK-SOCKET-CAP-ALLEN-BOLT-WITH-FREE-NYLOC-NUTS-SCREWS-HEX-/200950009980?var=&hash=item2ec98dd07c:m:mIQYhE5GvzDtB6mRK0y5Y4w
freezing77
You will almost certainly find something on ebay. Do you know what you have now?.