Building a bike rack

Code54

Member
I decided I am going to build a single bike, platform bike rack for transporting my E-mtb.
I already have the aluminum channel for the tray and all the steel for the 2" hitch but still need a wheel lock down system. That is my problem - not sure what they are called - looking for the part that swings up and ratches down on the wheel. I would like to have one for each wheel thus leaving the frame alone. Anyone know what they are called (figure it is easier to buy them and add it to my rack.
Anyone else build anything like this and want to share? Always interested in other ideas and designs.
THANKS!
 

reed scott

Well-Known Member
I decided I am going to build a single bike, platform bike rack for transporting my E-mtb.
I already have the aluminum channel for the tray and all the steel for the 2" hitch but still need a wheel lock down system. That is my problem - not sure what they are called - looking for the part that swings up and ratches down on the wheel. I would like to have one for each wheel thus leaving the frame alone. Anyone know what they are called (figure it is easier to buy them and add it to my rack.
Anyone else build anything like this and want to share? Always interested in other ideas and designs.
THANKS!
Well you could just make a narrow 'oval' shape out of like half inch rod material that encases each wheel ... like 6 inches up from your platform. then just wrap a bungee or velcro strap around at the center bottom of each wheel to insure the bike doesn't pop out if you hit a bump while driving. You'd need a stanchion up from the hitch area and a way to secure the bike from flopping over.
 

Code54

Member
Thought about loops and they would be super easy to make but feel "arms" would hold better, and pivot out of the way to load and unload. I am also planning on having a ramp and setting it up so it will swing out of my way to open the back of my Jeep.
 

rich c

Well-Known Member
The problem I see with wheel/tire lockdowns is all the bicycle frame above wanting to pivot on that clamp mounted really low, due to wind loading. Add in the flex in the inflated tire and I think you are asking for big trouble. You'll have to at least grab the seat post if you want to leave the frame alone. You'll also need a great locking system. I've read that thieves have even taken off bicycles at stop lights. That rules out velcro or fabric straps. Combining steel and aluminum rules out welding. How are you going to get structure under that channel so the bike won't rotate up and down on that steel post going into the receiver? Or at least it will try to and really load the bolts holding the aluminum down. Aluminum work hardens fast and then loves to crack. Already engineered racks seem like cheap money compared to everything that can go wrong on a DIY. Unless you are a mechanical engineer and I am misreading your comments.
 
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Code54

Member
Sorry, I may not have been clear, the hook clamps on the top of the tires locks them down. Fairly normal commercial design.
This rack is being built to run the bike to local trails only. We are lucky to live where theft is VERY low but was thinking about adding a chain mount incase I need to run to a store or something. Easy to add a loop when welding it up for a nice secure lock system.
 

6zfshdb

Well-Known Member
I also built my own rack and used this ratchet strap for a rear wheel lockdown:
download.png

I used this ratchet arm from Thule for the front wheel:
thule-sidearm-universal-mount-bike-rack-black.jpg
Order part #7533579 "Locking Ratchet Arm Assembly"

The ratchet strap works fine for the rear wheel and I saw no reason for a second swing down ratchet arm.
There is also a lock & key available but it must be ordered separately.
 
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