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Fender on tight roadbike frame and 25c tires

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Fender on tight roadbike frame and 25c tires

Old 03-14-19, 12:36 PM
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Fender on tight roadbike frame and 25c tires

So I'm trying to minimize my fleet to just one bike that do it all: a roadbike.

So...I like to add fenders.

The obvious hurdle is the tight frame. There's only like 5mm of clearance for the 25c tires. I guess it would take a miracle to find durable and robust full fenders.
There are eyelots on the rear dropout and on the fork dropout. But the dimunitive caliper brake won't allow full fender.

Are those "race blades" like SKS durable enough for everyday usuage? Is there enough cover to go over puddles are full speed and keep your workcloths clean? There's no coverage between BB and the brake arch.

What is yur school of thought on fenders and road bikes with tight clearance ?

Last edited by mtb_addict; 03-14-19 at 12:58 PM.
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Old 03-14-19, 12:55 PM
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Originally Posted by mtb_addict View Post
"race blades"
I've considered those myself & also this version

Last edited by rumrunn6; 03-15-19 at 08:03 AM.
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Old 03-14-19, 01:07 PM
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Real, full length fenders with deep flaps on the front rule. Race Blades are toys that will keep the "racing stripe" off your back. The commons soutin tobikes with tight fits is to cut the fenders at the brakes and use brackets such as the River City Bicycles "Reacharound". Look on page 2 of the RCB originals.

https://store.rivercitybicycles.com/...09?startrow=31

Ben
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Old 03-14-19, 01:36 PM
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Originally Posted by 79pmooney View Post
Real, full length fenders with deep flaps on the front rule. Race Blades are toys that will keep the "racing stripe" off your back. The commons soutin tobikes with tight fits is to cut the fenders at the brakes and use brackets such as the River City Bicycles "Reacharound". Look on page 2 of the RCB originals.

https://store.rivercitybicycles.com/...09?startrow=31

Ben
I think the long version of SKS raceblade has a "reacharound" bracket.
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Old 03-14-19, 01:52 PM
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I tried some Zefal road bike fenders a few years ago...didn't really work out. As minimal as they are, it was still too tight between the tire and brakes.

It sounds like you have a traditional style frame - you could try a homemade attachment setup and run a full length fender over the rear brake. For the front, something attached to the frame could stop spray. A long time ago there was an MTB "splash guard" product available.
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Old 03-14-19, 03:21 PM
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PDW full metal fenders https://ridepdw.com/collections/fend...14871507238969
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Old 03-14-19, 03:29 PM
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Originally Posted by fietsbob View Post
Their spec sheet says its smallest fender need 15mm of clearance. Mine has nowhere near that much clearance.

Interesting that they also say the fender stays has safety tabs to breakaway if the mud clogs the wheel.
Interesting...I never thought about it this way...I guess it's possible to lock up the wheel?
Imagine locking up the front wheel! due to some debrie on the road.

Last edited by mtb_addict; 03-14-19 at 03:33 PM.
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Old 03-14-19, 03:57 PM
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I bet a Surly Long Haul Trucker would fit whatever fenders you like.
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Old 03-14-19, 04:07 PM
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Originally Posted by mtb_addict View Post
So I'm trying to minimize my fleet to just one bike that do it all: a roadbike.

So...I like to add fenders.

The obvious hurdle is the tight frame. There's only like 5mm of clearance for the 25c tires. I guess it would take a miracle to find durable and robust full fenders.
There are eyelots on the rear dropout and on the fork dropout. But the dimunitive caliper brake won't allow full fender.

Are those "race blades" like SKS durable enough for everyday usuage? Is there enough cover to go over puddles are full speed and keep your workcloths clean? There's no coverage between BB and the brake arch.

What is yur school of thought on fenders and road bikes with tight clearance ?
Do what you can with what you have. Anything is better than nothing WRT fenders--even splicing fenders around brakes/forks.
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Old 03-14-19, 04:09 PM
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Originally Posted by Darth Lefty View Post
I bet a Surly Long Haul Trucker would fit whatever fenders you like.
you are so right!

LHT 26.

Last edited by mtb_addict; 03-15-19 at 08:20 AM.
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Old 03-14-19, 04:46 PM
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cut the fender so as to be on either side of the low point,
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Old 03-15-19, 02:23 AM
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I think the issue is that the OP is attempting to use a "road bike" as a do-it-all bike.

Get an allrounder if you want an all rounder.
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Old 03-15-19, 08:02 AM
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fwiw - you can't rely on fenders to keep your work clothes (& shoes) clean while bike commuting on sloppy days. on some days you should also cover your shoes & pants
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Old 03-15-19, 08:15 AM
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During commute, I guess it's fine...since I don't wear work cloths. But, I like to ride out to go to eat out for lunch...which I wear work cloths. Sux...I realize I have to go very slow to avoid splash. And I jumped onto the sidewalk for a while, and there was a mud puddle...going over it on 25c tire is no fun. I'm starting to truely appreciate why everyone runs wide treaded tires and fenders.

I'm down sizing to a place living place...so I can't afford a big fleet of bikes anymore. I want to be like when I was young, when I only had one bike.

Last edited by mtb_addict; 03-15-19 at 08:22 AM.
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Old 03-15-19, 08:54 AM
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oh gotcha! good luck with your fender quest!
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Old 03-15-19, 08:59 AM
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Originally Posted by mtb_addict View Post
...

What is yur school of thought on fenders ...
Yes, please! I won't commute on a bike without fenders. In fact I hardly ever ride a bike without fenders.


Originally Posted by mtb_addict View Post
...and road bikes with tight clearance ?
No, thanks!

I really can't see the point of 25 mm tires, except on a 'classic' bike that I probably wouldn't commute on anyway. I've taken to using much fatter tires. Several years ago I set up a road bike for commuting using 28 mm tires, and used that for almost all my commuting for a a few years. But then I had a custom frame made, for a road bike with 26 x 2.3 tires. I got it for long distance riding, and did not intend it for commuting, but I liked it so much it became my preferred commuting bike. Since January I've been commuting on a road bike with 650 x 48b tires.
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Old 03-15-19, 09:07 AM
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I got this bike with tight frame and 25 tires because my original intent was to only use it to do the MS-150 and other long distance supported rides. So, I needed the efficiency of 25c tires and low drag frame.

Hind sight is always 20=20. Now, if I wear to do it again...I think I would have gotten a bike (Crosscheck or LHT) that can take wide treaded tires and cantilever brake...and then switch to skinny tires for the MS-150. But then, I saw the wide tire-frame clearance and didn't like the way it looks. I should have cared less about looks and more about how it function.

Last edited by mtb_addict; 03-15-19 at 09:10 AM.
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Old 03-15-19, 09:13 AM
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I have a set of MK2's on my road bike with tight clearance and they work great and look inconspicuous as far as having fenders on a road bike goes. Can't see the clearance so well on this pic.


The new MK3's might work for you.
https://www.crudproducts.com/roadracer-mk3/
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Old 03-15-19, 11:46 AM
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Originally Posted by acidfast7 View Post
I think the issue is that the OP is attempting to use a "road bike" as a do-it-all bike.

Get an allrounder if you want an all rounder.
Yep, you probably need a different bike with a bit more clearance. Clearance adds versatility, which you will need if you want to have only one bike. You don't need to go full-on tourer, though, just a road bike with more room, longer reach sidepull brakes or disc brakes will do. Look for an "endurance," road bike with mounts for fenders and such. You won't give up that much efficiency on your long rides-I've done plenty of rides like that on 27-42mm tires, usually sporting fenders.
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Old 03-15-19, 12:22 PM
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I read on Sheldon Brown of converting to 650B rim for fender clearance.

By my calculation, if I use 650B rim and 32 tires, I would get an extra 12mm of clearance. This ought to be enough space for fenders.

But the downside is
  1. it would require long reach caliper brakes (which is ugly and not as effective as the short reach). I hate this.
  2. it would drop the BB height by 12mm. I also hate this.

Last edited by mtb_addict; 03-15-19 at 12:25 PM.
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Old 03-15-19, 01:09 PM
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I tried fitting Bontrager fenders on my 2013 Trek Domane 2.0 and it was no good. 25c tires wouldn't spin, so I switched back to an old set of wheels with 23c, but the clearance issues still persisted a bit. At the end of the day it was easier to go with an Ass Saver.
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Old 03-16-19, 12:00 PM
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The new long reach brakes are good. The old ones were bad.
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Old 03-16-19, 12:45 PM
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The only caution I advise is this: How much more will it cost you to support this bike in the manner to which it is accustomed, versus cutting your losses and getting a more generous frame that can use most of your parts? Or an entire bike?
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Old 03-16-19, 03:15 PM
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Originally Posted by mtb_addict View Post
I got this bike with tight frame and 25 tires because my original intent was to only use it to do the MS-150 and other long distance supported rides. So, I needed the efficiency of 25c tires and low drag frame.

Hind sight is always 20=20. Now, if I wear to do it again...I think I would have gotten a bike (Crosscheck or LHT) that can take wide treaded tires and cantilever brake...and then switch to skinny tires for the MS-150. But then, I saw the wide tire-frame clearance and didn't like the way it looks. I should have cared less about looks and more about how it function.
Not sure where you got the idea that you needed 25mm tires and a tight frame to do long distance rides, but it's totally wrong.
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Old 03-17-19, 12:13 PM
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Originally Posted by ThermionicScott View Post
Not sure where you got the idea that you needed 25mm tires and a tight frame to do long distance rides, but it's totally wrong.
around here at charity rides, i see skinny tires 99%.

i occasionally see wide touring tire bike...and they ride slow.

i just hate being the one of the ones come in late.

Last edited by mtb_addict; 03-17-19 at 12:18 PM.
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