I had bodged a bracket to put a B&M Lumotec on my handlebars -- took an oldfashioned forkblade dynamo bracket and twisted the tip with pliers. Worked fine for about 6 months but gave up the ghost very annoyingly as I set out for a dusk ride on Saturday.
Given the brackets that came with it were useless -- solid but useless -- what's the best source of replacements?
Brendan -- Brendan Halpin, Department of Sociology, University of Limerick, Ireland Tel: w +353-61-213147 f +353-61-202569 h +353-61-338562; Room F2-025 x 3147 [email hidden] http://www.ul.ie/sociology/brendan.halpin.html
I had bodged a bracket to put a B&M Lumotec on my handlebars -- took an oldfashioned forkblade dynamo bracket and twisted the tip with pliers. Worked fine for about 6 months but gave up the ghost very annoyingly as I set out for a dusk ride on Saturday.
Given the brackets that came with it were useless -- solid but useless -- what's the best source of replacements?
I made one using a Minoura Space Grip I was given.
Approx 0.5in long pice of aluminium angle bolted into the bar of the space grip (guess at M5 nut and bolt), and the other face of angle drilled to clear the bolt of the B&M lamp. Rounded the corners off with a file to clear the slight recess in the B&M mouldings.
Slightly posher version could be made by putting a long stud longways through the space-grip bar, and use a couple of nuts on the end to space the lamp off the end. If doing this, I'd shorten the length of the space-grip bar. If you also added a couple of the domed washers fitted to many MTB brake blocks, the lamp would be fine-tunable for left-right until the nuts are tightened.
I made one using a Minoura Space Grip I was given.
Approx 0.5in long pice of aluminium angle bolted into the bar of the space grip (guess at M5 nut and bolt), and the other face of angle drilled to clear the bolt of the B&M lamp. Rounded the corners off with a file to clear the slight recess in the B&M mouldings.
Slightly posher version could be made by putting a long stud longways through the space-grip bar, and use a couple of nuts on the end to space the lamp off the end. If doing this, I'd shorten the length of the space-grip bar. If you also added a couple of the domed washers fitted to many MTB brake blocks, the lamp would be fine-tunable for left-right until the nuts are tightened.
Practical suggestions, were it not for the fact that I haven't been given a Space Grip :-(
Brendan -- Brendan Halpin, Department of Sociology, University of Limerick, Ireland Tel: w +353-61-213147 f +353-61-202569 h +353-61-338562; Room F2-025 x 3147 [email hidden] http://www.ul.ie/sociology/brendan.halpin.html
I made one using a Minoura Space Grip I was given.
Approx 0.5in long pice of aluminium angle bolted into the bar of the space grip (guess at M5 nut and bolt), and the other face of angle drilled to clear the bolt of the B&M lamp. Rounded the corners off with a file to clear the slight recess in the B&M mouldings.
Slightly posher version could be made by putting a long stud longways through the space-grip bar, and use a couple of nuts on the end to space the lamp off the end. If doing this, I'd shorten the length of the space-grip bar. If you also added a couple of the domed washers fitted to many MTB brake blocks, the lamp would be fine-tunable for left-right until the nuts are tightened.
Practical suggestions, were it not for the fact that I haven't been given a Space Grip :-(
I wouldn't want to state my reputation on it, but I'd be tempted to try the bracket from many a "free" reflector fitted to bikes at point of sale. The bracket is in two parts, a collar which is bolted around a tube (eg seat tube) and second part which carries the reflector. I'd try to do without the second part if it would fit, then add some studding (with spacing nuts and washers) to carry the lamps. It would look somewhat similar to the pictures in the first URL.
Or a Space Grip is about a tenner in the shops.
Another cheap solution is made from a flat aluminium coat hanger (as used in a million schools and similar buildings). Can make a very strong bracket for mounting behind the bolts of a dual-pivot brake (friend made one for his winter bike).
