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-   -   Fender width? (https://www.bikeforums.net/commuting/727293-fender-width.html)

Accordion 04-12-11 09:52 PM

Fender width?
 
Got a 2011 Novara Safari touring/commuting bike. It's got Continental 40mm tires on it. I need fenders.

I saw that REI has 35mm, 40mm, 50mm, etc. What size do I need if I want to keep these stock tires? I figured at least 40mm but probably 50mm if I want a little clearance. I don't know how wide is to wide, however, and what detriments would be present from selecting too wide.

Thanks!

GP 04-12-11 10:11 PM

SKS 50mm fender fits 38-45mm tire.

augustao 04-13-11 12:49 AM

At least 8mm larger than your tyre. I always go for 12+mm wider.

Accordion 04-13-11 05:50 AM

Thank you both!

giskard 04-13-11 06:44 AM


Originally Posted by augustao (Post 12499213)
At least 8mm larger than your tyre. I always go for 12+mm wider.

+1

My cross-bike came with 35mm knobbly tyres, I fitted 45mm SKS chromoplast fenders but now have 28mm road tyres for my commute.

itsthewoo 04-13-11 08:48 AM


Originally Posted by giskard (Post 12499704)
+1

My cross-bike came with 35mm knobbly tyres, I fitted 45mm SKS chromoplast fenders but now have 28mm road tyres for my commute.

The 35s fit nicely over 28s on my XCheck. However, I needed to use brackets and stuff I had lying around to make them look good on the bike.

pdlamb 04-13-11 11:54 AM

50's pretty wide. I'd suggest taking your bike with you when you go shopping to make sure they'll fit.

fuzz2050 04-13-11 02:54 PM

10mm is my rule of thumb for fender clearance, but only because I'm bad at maths. You can easily go down to 7 or 8 mm larger than measured tire size and be good to go.

It's worth checking the tire manufacturers size against reality before you make the purchase

gear 04-13-11 03:36 PM

Width is important but length is more critical. Oh, and don't forget to have some rubber over the end.

Banzai 04-14-11 09:08 AM

Generally speaking, in a bike like that, just get the widest that will fit your frame. That, in turn, will limit (or not limit) the width of tire you can run.

Unless you have a frame with MTB type spacing in the fork and stays, the widest fender possible in the frame will not be a ridiculous beach cruiser sail/fairing/what-have-you. It will, however, with a snug fit be more prone to stay in place, and offer you the most options for tires, while helping to protect from "side spray".


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