One motorcycle sidecar U-clamp frame mount. Fits motorcycle frames from 1 inch up 1-1/4 inch. I-bolt head is 11.5 mm thick. Bolt hole is 12 mm I.D. Paint may be a little ruff.

I have one in stock.

$85. plus shipping in the USA.

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1-1/2 inch Motorcycle Sidecar U-clamp mount. Bolts to motorcycle frames from 1-3/8" to 1-1/2". I-bolt head is 11.5 mm thick and bolt hole is 12 mm I.D. Black paint is a little ruff.

Out of stock.

$85.50 each plus shipping in the USA.

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Shim kit for sidecar U-Clamp mounts. Comes with 4 shims painted silver. They are 2 inches long by 1-3/16 inch wide by 1/8 inch thick. Each shim has a dimple for the I-bolt to seat in. The shim sits against the motorcycle frame to keep it from getting bent in by the I-bolt in the U-Clamp. Used with U-clamp I-bolts that have a point on the end like, Velorex, Cozy and Inder, etc.

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Set of 3 sidecar frame I-bolt mounts. 14mm shaft (about 9/16") diameter by 10.3mm long (4") with a 12mm I-bolt hole mount (a little under 1/2").Shank is 65mm long (2-9/16") including 24mm of thread(15/16"). These I-bolt are metric.The I-bolt head is 11.5mm thick which is a little under 1/2". Will fit struts and work for home made sidecar frames and Dnepr, URAL and many other sidecars.

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One 2-1/2" long zinc plated I-bolt with nut for custom sidecar mount. The stud is 13mm O.D. (1/2") by 1-3/16" long (30mm). Head is just under 12mm thick (7/16"). Bolt hole is just under 12mm. I-bolt is used on motorcycle subframes and motorcycle upper rear sidecar mounts. The motorcycle fender/strut mount is drilled out and I-bolt is installed to attach sidecar rear upper strut mount to.

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One 3-1/4" zinc plated I-bolt with nut for custom motorcycle sidecar mount. I-bolt  stud is just under 12mm ( a little over 7/16") and 1-7/8 long (48mm). Head is 11mm thick (7/16"). Bolt hole is 12mm (just under 1/2"). I-bolt is used on sidecar frames to attach struts to and for the upper rear motorcycle sidecar strut mount. The fender/strut hole is drilled out and I-Bolt is installed to attach sidecar strut to. Stud may need to get cut shorter.

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One medium long sidecar strut. It is 16-1/2" long and 14" when it is screwed in all the way. Threads are 18mm by 1.5mm. Clevis is 12mm which is a hair under 1/2". Bolt holes are 12mm. Comes with jam nut. Strut tube is painted black and threaded clevis end is yellow zinc. Will fit older sidecars and many import sidecars. Custom fit so check your measurements.

$78. plus shipping.

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OEM Spirit of America Eagle Sidecar motorcycle frame clamp mount with eye bolt, chrome used. Fits 1-1/16" to 1-1/8 inch motorcycle frame. Eye bolt is 5/8 inch thick with a 1/2 inch bolt hole. I have other size eye bolts if you need one.

I just have this one clamp in stock.

$85. plus shipping in the USA.

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Used motorcycle frame bracket sidecar mount. This is the upper front mount that bolts on to the top of a motorcycle frame that has double down tubes. Clamps fit a 1 inch motorcycle frame. Clamps are 4-1/2" center to center with the tubes running on an angle. The bracket end mount is 3/4-16 tpi. The end u-bolt was cut through the edge of the steel (see picture). Bracket is 1/2" thick by 1" wide steel and 7-1/2" long overall.

$78. plus shipping.

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I think this is a used Watsonian sidecar lower mount. It maybe a Steib mount, I'm not sure. The main mounting tube is 1" O.D. by 3/16" thick and 11-1/4" long with a 4" offset. The claw tube is 5" long. The mount is 13" overall. A 30mm ball (1-3/16") mount comes with this. Ball shaft is 3/4"-16 tpi.

$95. plus shipping.

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I believe this is a Watsonian Sidecar part

as it came with a box of old Watsonian

and Steib sidecar parts I purchased from

a defunct sidecar company. Sidecar tube

mount tab is used to weld on to frames

and subframes. It fits a tube radius of

approximately 1-3/16 inch. Head is 5/8

inch thick with a 9/16 inch threaded hole. Has surface rust. $18.50 plus shipping.

I have one in stock

e-mail for world wide shipping cost.



I believe this is a Watsonian Sidecar part as it came with a box of old Watsonian and Steib sidecar parts I purchased from a defunct sidecar company. Sidecar mount tab is used to weld on to frames and subframes.  It is 1-1/2" long by 1-3/16" tall. Head is 5/8 inch thick with a 9/16 inch threaded hole. Has surface rust.

I just have a few of these.

 $14.50 each plus shipping.

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I believe this is a Watsonian Sidecar part as it came with a box of old Watsonian and Steib sidecar parts I purchased from a defunct sidecar company. Used Sidecar frame clamp is 36mm x 26mm approximately. It comes with 4 allen bolts and is missing the other 2 allen bolts. The black paint is ruff and will need to be repainted.

$87.50 plus shipping.

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I believe this is a Watsonian Sidecar part as it came with a box of old Watsonian and Steib sidecar parts I purchased from a defunct sidecar company. Used Sidecar frame clamp is 38mm x 32mm approximately. It comes with 3 allen bolts and is missing the other 3 allen bolts. The black paint is ruff and will need to be repainted.

$88.50 plus shipping.

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I believe this is a Watsonian Sidecar part as it came with a box of old Watsonian and Steib sidecar parts I purchased from a defunct sidecar company. Sidecar mount clamp is 1-1/4" x 7/8" (32mm x 22mm approximately). Chrome is very ruff, see pictures.

$54.50 plus shipping.

e-mail for world wide shipping cost.

I believe this is a Watsonian Sidecar part as it came with a box of old Watsonian and Steib sidecar parts I purchased from a defunct sidecar company. Used Sidecar mount clamp is 1-3/16" x 3/4"-16 tpi (30mm x 19mm approximately). Comes with one allen bolt and the other allen bolt is missing. Black paint is very ruff, see pictures.

$53.50 plus shipping.

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Set of 10 sidecar mount jam nuts 3/4" x 16 thread. Zinc plated steel. Fits u-clamps and struts on Champion and California Sidecars and many other newer American made sidecars. Replace your old rusty jam nuts with these nice looking new jam nuts.

Out of stock.

Free shipping in the USA.

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