Coroplast fenders
#1
Thread Starter
Senior Member
Joined: Apr 2011
Posts: 15,278
Likes: 342
From: Alpharetta, GA
Bikes: Nashbar Road
Coroplast fenders
I'd made up some quick temporary fenders last weekend for the remnants of Hurricane Patricia passing through and checked today to see how they were holding up. They're still fine so I thought I'd share for your amusement.
I cut a piece of cloroplast length-wise, about 1 3/4 inch wide, and bent it by hand and heat-gun around a wheel. Then a couple of strips from the fork to the back. A couple of tie-wraps and bits of inner tube to hold it together and:

the rear:
I think I'll leave them on permanently since, as you'll have to admit, they don't really detract from the overall look of the bike.
I cut a piece of cloroplast length-wise, about 1 3/4 inch wide, and bent it by hand and heat-gun around a wheel. Then a couple of strips from the fork to the back. A couple of tie-wraps and bits of inner tube to hold it together and:
the rear:
I think I'll leave them on permanently since, as you'll have to admit, they don't really detract from the overall look of the bike.
#2
Senior Member

Joined: Jan 2009
Posts: 6,644
Likes: 2,369
From: Colorado Springs, CO
Bikes: 2015 Charge Plug, 2007 Dahon Boardwalk, 1997 Specialized Rockhopper, 1984 Nishiki International, 2006 Felt F65, 1989 Dahon Getaway V
I wouldn't want to let loose with a snot rocket in there or do any crop dusting. Nice fenders, though.
#3
Senior Member
Joined: Aug 2012
Posts: 2,828
Likes: 1
From: West Georgia
Bikes: K2 Mod 5.0 Roadie, Fuji Commuter
Two thoughts.....
1: Perhaps something to block clean air from the pumping legs, feet and crankset.......
2: Some way to check traffic from behind...as in changing lanes??!!?!?! ..Can't always make right turns.
Otherwise..............innovative use of the thousands of political yard signs that are soon to be tossed to landfills.
All in all---good job.
1: Perhaps something to block clean air from the pumping legs, feet and crankset.......
2: Some way to check traffic from behind...as in changing lanes??!!?!?! ..Can't always make right turns.
Otherwise..............innovative use of the thousands of political yard signs that are soon to be tossed to landfills.
All in all---good job.
#6
Thread Starter
Senior Member
Joined: Apr 2011
Posts: 15,278
Likes: 342
From: Alpharetta, GA
Bikes: Nashbar Road
Truth is I didn't want to mess with paint, and black was the only choice in a reasonable price and quantity.
Two thoughts.....
1: Perhaps something to block clean air from the pumping legs, feet and crankset.......
2: Some way to check traffic from behind...as in changing lanes??!!?!?! ..Can't always make right turns.
Otherwise..............innovative use of the thousands of political yard signs that are soon to be tossed to landfills.
All in all---good job.
1: Perhaps something to block clean air from the pumping legs, feet and crankset.......
2: Some way to check traffic from behind...as in changing lanes??!!?!?! ..Can't always make right turns.
Otherwise..............innovative use of the thousands of political yard signs that are soon to be tossed to landfills.
All in all---good job.
I'd like to block off the lower legs but it's not really possible given toe overlap with the front wheel.
Given the trouble and angst people go through about fenders, I just thought it was cool that you can whip one together in half an hour out of cloroplast and inner tubes and it actually holds up, perhaps indefinitely, in weather that most commuters won't get caught out in.
So do I - not a rain cape which is way too much hassle IMO but a light rain slicker. This is so beyond that, if I may be immodest, that it's addicting.
#8
Thread Starter
Senior Member
Joined: Apr 2011
Posts: 15,278
Likes: 342
From: Alpharetta, GA
Bikes: Nashbar Road
#9
Banned
Joined: Jun 2010
Posts: 43,586
Likes: 1,380
From: NW,Oregon Coast
Bikes: 8
Need Data not Opinions.
It's raining for a week here .. & 'winter' has Not started Yet..
But You can Keep the Hurricanes for Your own Joy & Pleasure..
How Much Have You spent on storm Damage Repair?
It's raining for a week here .. & 'winter' has Not started Yet..
But You can Keep the Hurricanes for Your own Joy & Pleasure..
How Much Have You spent on storm Damage Repair?
Last edited by fietsbob; 10-31-15 at 10:47 AM.
#11
Thread Starter
Senior Member
Joined: Apr 2011
Posts: 15,278
Likes: 342
From: Alpharetta, GA
Bikes: Nashbar Road
I just slapped fenders on because I knew that the Patricia system from Mexico would be blowing through. That was over by Thursday but I'll keep the fenders I think.
#12
Thread Starter
Senior Member
Joined: Apr 2011
Posts: 15,278
Likes: 342
From: Alpharetta, GA
Bikes: Nashbar Road
Data for what? Rainfall? I've ridden through all of it, fietsbob which is enough for me, but you can look up that we get more rain and heavier rains than Portland OR if you wish, and less than the wetter parts of Oregon.
#13
Thread Starter
Senior Member
Joined: Apr 2011
Posts: 15,278
Likes: 342
From: Alpharetta, GA
Bikes: Nashbar Road
#14
Banned
Joined: Jun 2010
Posts: 43,586
Likes: 1,380
From: NW,Oregon Coast
Bikes: 8
Im 7 miles in From the Ocean Columbia River is a Block away* Portland is the Big city 2 hours Drive time Inland
behind the coast Range, Its sheltered more..
* guess if you wish hint: This town is the oldest one west of the rockies
behind the coast Range, Its sheltered more..
* guess if you wish hint: This town is the oldest one west of the rockies
Last edited by fietsbob; 10-31-15 at 11:14 AM.
#15
#17
That's a nice idea. I've always been leery of plastic fenders because the vinyl ones I've had in the past tended to shatter in cold weather. I have some MTB fenders for my winter bike, that are polyethylene, and hold up quite well, but are not full length. Your solution looks pretty good.
#18
Thread Starter
Senior Member
Joined: Apr 2011
Posts: 15,278
Likes: 342
From: Alpharetta, GA
Bikes: Nashbar Road
#19
Disco Infiltrator




Joined: May 2013
Posts: 15,329
Likes: 3,519
From: Folsom CA
Bikes: Stormchaser, Paramount, Tilt, Samba tandem
Pretty good but I wonder how much you're missing from "real" fenders, especially the gutter effect from the ridges on the edges.
__________________
Genesis 49:16-17
"Well, well!" said Holmes, impatiently. "A good cyclist does not need a high road. The moor is intersected with paths and the moon is at the full."
Genesis 49:16-17
"Well, well!" said Holmes, impatiently. "A good cyclist does not need a high road. The moor is intersected with paths and the moon is at the full."
#21
Thread Starter
Senior Member
Joined: Apr 2011
Posts: 15,278
Likes: 342
From: Alpharetta, GA
Bikes: Nashbar Road
I started with several clean white t-shirts, my road bike and a cruiser we had with full fenders, and muddy puddles after a rain. My conclusion was that you need full length fenders (curved all the way to vertical) to prevent splatter on your back, but there was no discernible difference between the curved commercial fenders and flat ones like these. I didn't check the front - I'd expect at least some difference since we have more exposure as it moves left and right, but I do know that it's effective. I have sturdier aluminum ones on my main ride.
#22
Thread Starter
Senior Member
Joined: Apr 2011
Posts: 15,278
Likes: 342
From: Alpharetta, GA
Bikes: Nashbar Road
That's a nice idea. I've always been leery of plastic fenders because the vinyl ones I've had in the past tended to shatter in cold weather. I have some MTB fenders for my winter bike, that are polyethylene, and hold up quite well, but are not full length. Your solution looks pretty good.
#23
Thread Starter
Senior Member
Joined: Apr 2011
Posts: 15,278
Likes: 342
From: Alpharetta, GA
Bikes: Nashbar Road
Thread
Thread Starter
Forum
Replies
Last Post
jhill44
Winter Cycling
2
11-26-14 08:22 AM






