On my bike, I had mounted a leather toolbag to one side
for me to keep my rain pants and rain shoes in there. However, I have been
feeling that there isn’t enough space for me to keep anything else.
Checking the market, saddle bags are ugly and swing arm
bags are now the in thing. I'm not into “the in thing”, but I needed a bag. So,
when one cant buy, one makes…
The prices for swingarm bags and such are quite steep
nowadays. So I took my time and went shopping.
I found a leather messenger bag for 60 bucks, and bought
some metal plates from a hardware shop. The metal plates I bought were
generally used for rack mounts and stuff. You can even buy these cheaper than
what I got mine for in Daiso (the 5 dollar shop). But I spent another 20 bucks
on the metal pieces.
The design is rather simple, you mount the saddle bag
bracket on the floater (aka fender bars, bend an L shape (or buy a ready made L
shape bar) to hold on to the bottom of the bag. Then, at the bottom, you want a
bar to link the 2 L shapes together. This acts as a brace to make sure the
bottom of the bag doesn’t sag when you put stuff in.
Here are the full steps on how I made it.
What you need:
1. A
leather messenger bag
2. 2x
L shaped steel bars (with holes preferably)
3. 2x
straight steel bars (with holes preferably)
4. 2x
bolts and nuts (optional if you are not welding)
5. 1x
drill and a matching bit
6. Grinder
7. Knife
or scissors
Step 1:
Measure EVERYTHING.
1. Measure
the highest point of where you are going to bolt the bag to the floater
2. Measure
the width of the bottom base of the bag.
3. Measure
the distance between the 2 screws holding the fender up on the floater
Step 2:
Purchasing the steel bars
1. When
buying the L shaped bars, ensure that the bottom part of the L shape is AT
LEAST 50% the length of the width of the bottom base of the bag.
2. Buy
2 similar pieces of straight bars that are LONGER than the measurement between
the 2 screws holding the fender.
Step 3:
Drill out the holes:
1. Most
likely the holes on the bar may not fit the size of the bolt holding the
fender. Drill them out to fit the bolts.
2. If
you are not welding, then make sure the holes and the bolts you bought for the
bottom base fits.
Step 4:
Connect everything
1. Bolt
on the L shaped bars on to the floater
2. Bolt
on the bottom base bar to the L shaped bar and mark where you need to cut off.
3. If
you are going to weld, mark where you need to weld to make a butt joint
Step 5:
Cut everything
1. Cut
the parts you have marked for cutting with your grinder
Step 5.1:
If you are going to weld, weld on the steel bars.
Step 6:
Paint:
1. Using
a rattle can, make sure you apply thin layers each time and wait for 10 minutes
for the paint to dry and apply a thin layer again. do this at least 10 times
and your paint wont peel off
Step 7:
Cut the holes
1. Preferably
with an extra set of hands, mark where you would like to cut to holes in your
bag for mounting.
2. Do
not cut a hole that is too big or too small.
3. Test
with one of the fender bolts.
Step 8:
Sandwich
1. Take
the remaining straight bar and make sure the holes align with the fender bolts
and are the same size.
2. This
straight bar goes inside the bag sandwiching the bag between it and the L bars
on the outside.
Step 9:
Tighten everything
1. Make
sure all the bolts are tightened up on the floater
2. If
you did not weld, then ensure the bolt holding the base is facing down as you
do not want to damage the bag when it sits on it.
Step 10:
Do it again
1. Once
you are done tightening everything, go for a 10 minute or more ride
2. When
you come back, tighten everything again.
3. Check
it again one more time 3 days after.
I also bought a type of mounting board to make an inner
subframe for the bag as it sagged quite abit from being soft leather.
Note:
Please treat your leather with water resistance sprays or
mink oil to ensure your leather doesn’t rot.
L Bars
Straight Bars
Making The Bolts Fit
Mockup
After Paint And Sandwich (the bag not the food)
Sag Before
No Sag After
Sag Before
No Sag After
Difficulty Level: 3/10
By Vy
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