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Old 02-09-17, 02:19 PM   #1
rumrunn6
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fenders for wide tires

just ordered a cpl sets of these. one black one silver. upgraded tires on 2 bikes & maxed out the clearances of current fenders. these are 700 x 53mm wide & should be fine for the 45mm Riddlers & 40mm Marathon studded winters. will report back when I get 'em on

SKS FENDERS SKS F&R COMMUTER II B53 700x53mm SL
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

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SKS B53 Commuter II Fender Set

https://www.biketiresdirect.com/prod...-ii-fender-set


black
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Old 02-09-17, 03:41 PM   #2
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I have a set of the b53 commuter fenders on my giant roam 3.
I'm running the stock tires (700x40) and they work nice and look good.
The trick to keeping them nice and straight is to remove the stress from the metal struts before they get mounted and trimmed.
This way they want to be consistant after the install (no pulling back and forth).
I did find that the front fender could be a bit longer at the bottom for better spray control.
Good looking fenders for sure.
Mick
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Old 02-09-17, 04:16 PM   #3
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trick to keeping them nice and straight is to remove the stress from the metal struts before they get mounted and trimmed
OK thanks!
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Old 02-13-17, 10:36 AM   #4
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b53 commuter fenders on giant roam 3 running the stock tires (700x40) they work nice and look good
took my 1st ride w the new 40mm studded tires. I hope I have room on this early FX 7.0 Alpha for the fenders or I might have to do w/o them until the studs come off





drive side chain stay


left side chainstay. hard to get an accurate photo. there's more room than it appears, but still ...
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Old 02-13-17, 04:03 PM   #5
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As much as I like the SKS fenders , that is some nasty,heavy slop you got there.
I'm not sure they will be ridgid enough for that abuse.
If you do try it though , make sure they fit tightest at the leading edge and wider at the trailing edge , otherwise they will pack up pretty bad with slush/ice after a while and probably ruin them.
Mine work great for water control and road filth type goo , but that's asking alot from light plastic fenders.
That ice looks like my local roads lately , yuck.
I can't wait till spring and rain to wash the salt off the roads.
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Old 02-17-17, 09:26 AM   #6
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got 1 set installed. studs don't scrape. yay. tweaked the fit for the front after this photo so it's not so close to the tire. only 1 set of front stays needed the black caps. also added after the photo. funny how the silver plastic picked up the tan color from the wood studs in my basement?

gotta do a road test & also mount the black fenders this weekend
Attached Images
File Type: jpg new wide fenders.jpg (98.3 KB, 129 views)
File Type: jpg P1080624 (2).jpg (96.4 KB, 128 views)
File Type: jpg P1080625 (2).jpg (97.0 KB, 129 views)

Last edited by rumrunn6; 03-09-17 at 03:52 PM.
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Old 02-18-17, 07:11 AM   #7
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got the black ones on. they were only marginally better than the previous smaller fenders (but better enough for the back not to need any modification). had to cut the fronts (w a hacksaw) & make a separate bracket for the front half. if I wind up only riding these new 45mm tires in dry conditions maybe I will take the fenders off
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File Type: jpg whole bike small P1080627.jpg (98.1 KB, 121 views)
File Type: jpg back fender small P1080629.jpg (100.1 KB, 121 views)
File Type: jpg front fender small P1080628.jpg (96.0 KB, 118 views)

Last edited by rumrunn6; 03-21-17 at 07:16 AM.
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Old 02-18-17, 07:22 AM   #8
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might revisit the brackets to carve the bolt holes a little to raise them a bit. like the silver bike, only one set of stays needed caps. used some black paint as a glue after I snapped off the lower part of the tips. the design just added more plastic between the stay & the tire & I need all the clearance I can get, so buh bye
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File Type: jpg small cut front P1080634.jpg (96.9 KB, 118 views)
File Type: jpg small caps P1080640.jpg (96.7 KB, 119 views)

Last edited by rumrunn6; 02-19-17 at 03:20 PM.
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Old 03-03-17, 08:51 AM   #9
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got the back 1/2 of the front higher by lengthening the slot even more & cutting off the top of the L bracket. clearly higher than the front half. this bike was definitely not built for tires this size & definitely not with fenders in mind. gonna work on that front bracket some more to lift the front half another 1/4" I guess. maybe I can just drill a new hole (in that front L bracket), use a washer same diameter as the bolt head (like I did in the back) & be done. & then after all that I'll probably wind up putting these tires on the Trek & storing those studded tires. then maybe I can sell the old cheap black bike
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File Type: jpg small back of front V2.jpg (99.1 KB, 108 views)
File Type: jpg small back of front B V2.jpg (98.0 KB, 108 views)
File Type: jpg small front of front.jpg (96.6 KB, 108 views)

Last edited by rumrunn6; 03-04-17 at 08:03 PM.
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Old 03-05-17, 11:43 AM   #10
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think I'm done. drilled a new hole, smaller washer, dremeled a notch for the lower bolt head, then swapped the nut & bolt for 2 rivet style grommets. now both halves are as high as I cud get them & they're equal (enough)
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File Type: jpg small front bracket final.jpg (97.2 KB, 98 views)
File Type: jpg small front final outside c.jpg (99.3 KB, 97 views)

Last edited by rumrunn6; 03-06-17 at 02:58 PM.
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Old 03-11-17, 10:47 PM   #11
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Quote:
Originally Posted by mickw View Post
make sure they fit tightest at the leading edge and wider at the trailing edge , otherwise they will pack up pretty bad with slush/ice after a while and probably ruin them.
Mine work great for water control and road filth type goo , but that's asking alot from light plastic fenders.
That ice looks like my local roads lately , yuck.
got to road test the silver ones finally. kept the bike a little cleaner. a little more clearance under the front fender would be nice. eventually built up a ridge line of ice under the fender at the fork crown & it began to rub against the tire. tried to clear it w a stick but couldn't get in far enough to get it all. cutting it, like the black one, would let me lift it. ordered a cpl "L" brackets so I don't have to make it myself again






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Old 03-17-17, 05:18 PM   #12
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since I plan to cut the silver fenders & lift the two halves a little more, & since I have a touch of OCD, & since I fabricated the last cpl of "L" brackets doing the black bike, I searched & ordered 4 different ones. after receiving 3 (the 4th is just some flat stock I can form & drill) I am very happy to have received what I think is just about perfect. I may drill a new hole for the crown bolt but the long flat tang that the fender attaches to already has 2 superb tiny holes, a matching backing plate & matching screws & nuts

it's the Honjo Fender L-Bracket found at the Bike Touring News web store
https://store.biketouringnews.com/ho...der-l-bracket/
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Old 03-17-17, 11:58 PM   #13
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Enjoying the thread, keep it up.
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Old 03-19-17, 03:24 PM   #14
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finally gave the black ones a good field test. seemed perfect


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Old 03-20-17, 08:19 PM   #15
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cut & raised the silver front. used the new L bracket & drilled a new hole. definitely higher, maybe 1/2"? put a black dot on the front & back of the fork where the lower edge was before I moved it. almost time to store the studs & swap tires. should be high enough even for the 45mm gravel tires. if not, I can raise them a little more

to cut this one, I used a dremel cutoff wheel on my power drill. the battery powered dremel just didn't have the torque & kept binding / locking up. maybe an A/C powered dremel would be stronger

before


after


before


after


new L bracket

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Old 03-21-17, 07:21 AM   #16
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Quote:
Originally Posted by mickw View Post
I have a set of the b53 commuter fenders on my giant roam 3.
I'm running the stock tires (700x40) and they work nice and look good.
jealous, got a pic?
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Old 03-21-17, 03:16 PM   #17
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OK , here's a couple shots from today.





The fenders are the SKS B53 Commuter Black.
The stock tires are 700x40c Giant.
I didn't realize the reflector is crooked on the rack .....
The fenders fit pretty well , even with the suspension fork setup.
The bike rides very dry even through some pretty big puddles.
I think they look like they belong there overall , I'm pleased.
Mick
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Old 03-21-17, 05:56 PM   #18
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I think they look like they belong there overall
yup, they do. cool bike! thanks
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