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Busch & Muller Fork Crown Mount for IXON Speed and other Bike Headlights

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7:57 am
May 24, 2012


Josh Lipton

Admin

posts 344

Via BikeTechShop.com Email:

I have 3.5 inches of clearance between my front fender and the bottom of my Ortlieb handlebar bag – will this fork crown mount with a bike light fit?

Busch & Müller Fork Crown Mount for IXON Speed and other Bike Headlights

Josh
BikeShopHub.com
1-800-717-2596

9:58 am
May 25, 2012


Fire Chief Carlson

Admin

posts 76

Post edited 9:59 am – May 25, 2012 by Robin Carlson


When mounted this item sits about 3.5" higher than the crown mounting hole, which could be as much as an inch higher than the top of your fender.  I don't think there will be the clearance necessary for this item and the handlebar bag.

7:00 am
June 2, 2012


spencer gaga

Member

posts 23

Post edited 7:01 am – June 2, 2012 by spencer gaga


Nice point bud. But do we have any options on top of using it? 

He didn't riot. He got on his bike and looked for work. 

8:42 am
August 16, 2012


Josh Lipton

Admin

posts 344

Post edited 8:43 am – August 16, 2012 by Josh Lipton


Via BikeTechShop.com Email:

The information on this mount states that it is not compatible with any side pull caliper brakes.
For what reason?
The rubber pad can be removed and the mount placed against metal plates to level the curvature of the fork crown. Would that make it acceptable?

I'm not sure if I'm following your question. That said, the reason we state this mount cannot be attached to bikes with side-pull caliper brake is that this mount goes in the same spot on the fork where this style brake mounts to.

Let me know if this answers your question or if you had another adaptation to get this light mount to work with side-pull caliper brakes in mind.

Josh
BikeShopHub.com
1-800-717-2596

8:55 am
August 16, 2012


Ron Fisher

New Member

posts 1

Would it be acceptable to remove the rubber pad and mount to the fork crown using the brake caliper bolt to secure the mount? This wold be a similar method to the wat reflectors used to be mounted in the old days. Thanks you.

Ron

9:21 am
August 16, 2012


Josh Lipton

Admin

posts 344

I would not recommend this.  First off, you would need a longer bolt to go through the light bracket and the brake.  Second, this bracket is not designed to handle the pressures that would be transferred through it from braking.  The reflector brackets that you mentioned were likely steel and designed to work with the brakes.
We do have a variety of other alternative bike light mounting accessories that might offer a decent option.

Josh
BikeShopHub.com
1-800-717-2596

10:57 am
August 16, 2012


Ron Fisher

New Member

posts 2

The concave "washer" I would employ is from an old center-pull brake setup. It is rectangular and measures 3/4" wide  by 5/8" high. As this would replace the existing round washer, no appreciable thickness added here.

The mount is 1/8" thick. 1/8" added.

I would add another flat, rectangular "washer" between the brake and the light mount. Add another 1/8", total length of bolt needed 1/4". This would be achieved by using a longer recessed mount "nut" from the back of the fork.

The use of the rectangular "washer" and plate would distribute the pressures induced by braking over a much greater area.

My other option is to use the original steel reflector bracket and bolt it to the B&M crown mount.

Less elegant, but maybe more acceptable.

None of your other mounts will fill the bill. I have a handlebar bag that rises over the top of the bars.Hence the need for the crown mount.

8:35 am
August 17, 2012


Ron Fisher

New Member

posts 2

Though I think my original plan would work, I opted for plan "B"

There is really no supporting literature for this mount. It consists of inner and outer curved segments, providing for a sliding height or vertical aiming adjustment of the light.

I found that if the inner portion of the B&M Crown mount was removed, the curvature of the mount mated very nicely with the arc of a steel front reflector bracket. The width was a perfect fit! After some trimming, insert steel bracket into B&M bracket top half, drill a couple of holes and insert screws.

A sturdy mount for my light!

Fortunately, as I ride a 27" frame Cannondale and the head tube is about 10" long,there is plenty of clearance under my handlebar bag. This might not work for frames of less than 25" using a handlebar bag..

2:22 pm
August 20, 2012


Josh Lipton

Admin

posts 344

Thanks for sharing your solution.  Some photos would be great too if you have a chance.

Josh
BikeShopHub.com
1-800-717-2596

3:26 pm
March 20, 2013


Fire Chief Carlson

Admin

posts 76

Via BikeTechShop.com Email:

I was wondering if the above fork mount (Busch & Muller Fork Crown Mount for IXON IQ Bike Light) works with other Busch & Muller lights such as the Busch & Muller Ixon Pure.

Yes, the B&M Pure will work with the fork Crown Mount.

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