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Questions tagged [carbon-fork]

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2 votes
0 answers
31 views

Surface scratch on carbon steerer

Following my previous post, I managed to find an identical new fork replacement from a reseller since the communication with the company was absolutely terrible... When I unpacked the fork though, I ...
3 votes
3 answers
586 views

What is the name of bike fork spacer for shipping a bike frame?

I am trying to pack my bike for an plane ride, and while packing I wanted to know what is the name of the spacer that needs to replace the wheel(s) between the fork dropouts to prevent frame ...
3 votes
1 answer
255 views

I suspect that my carbon fork has a crack but I can't really tell

I've relocated to a new town so I'm still looking around for good bike shops. For the time being as I was re-assembling my stem, i noticed a small notch of about 0.5mms on the front of my fork (the ...
1 vote
0 answers
89 views

Specialized Sirrus bicycle, fork cracked [closed]

I have a Specialized that was a gift, but have some problems at the front fork. The fork is cracked, as per Photo: Can someone help me to discover how to repair? Other photos of the bike:
1 vote
0 answers
188 views

Canyon Ultimate CF SL 7 2022 steerer tube compression plug stuck?

This is concerning my friend's Ultimate CF SL 7 (105) 2022. Ridden approx 5000 km so far. Everything's been fine, up until a recent ride, but now there was noticeable movement (in the direction of the ...
2 votes
1 answer
524 views

Grease carbon fork before crown race installation?

I have a carbon fork, and a crown race that fits a sealed cartridge headset bearing. I know that in installation of crown races on metal steerer tubes, the use of grease is recommended. I am wondering ...
3 votes
1 answer
355 views

Scratch around carbon steerer from aluminium stem. Is this to be expected?

I wanted to lower the stem on my one month old road bike and noticed that the stem already left a noticable mark in the carbon steerer. Seems that the lower edge scraped into the material. Stem was ...
2 votes
1 answer
226 views

Any help identifying a Focus carbon Izalco with SRAM Red?

Buying a bike from an online listing, and trying to find some information on it. I researched Focus's serial number formatting, but since the release of this bike it has changed, and the serial number ...
5 votes
3 answers
577 views

How should I deal with this splintered carbon steerer?

I made a bit of a mess of my fork's carbon steerer while cutting it: I deliberately cut the steerer around 10 mm longer than I needed it. While cutting, the steerer was secured in a stem up to this ...
4 votes
3 answers
397 views

Carbon damage to frame after sideway fall

Today, I went out for a ride and had a small crash. I fell down sideways, then came home and realized there’s a small paint chip (which i’m fine with it) but there’s a small dot which is the deeper ...
8 votes
2 answers
1k views

Are these abrasions problematic in a carbon fork dropout?

Got my first road bike with a carbon fork and when installing the front wheel the skewer slipped a little. Now I got some shiny surface lines there on the carbon surface. I wouldn't even call it ...
4 votes
4 answers
803 views

Reconciling the two aspects: carbon is stiffer for power, but offers a softer ride

At times composite (carbon) is touted as being stiffer than (aluminum) alloys as well as stiffer than steel (leaving Titanium to a different discussion). This means that the frame will not yield (much)...
4 votes
1 answer
492 views

Is this a crack? Came off my Carbon frame for the first time

A guy on his phone just walked out in front of me into the bike lane and I plowed him at about 30kms. I walked away without a scratch and he absorbed most of the impact but my bike did hit the ground. ...
2 votes
1 answer
141 views

Where do I locate/install the compression plug for my stem in my carbon steer tube?

I have Cannondale Si compression plug with flat top cap and I am using a Bontragar Blender Pro stem on my CADD 13. I wondered how I should locate my compression plug within the carbon steerer tube of ...
4 votes
3 answers
1k views

Carbon fork - removed exapnder plug before loosening stem

So I forgot about the correct procedure and removed the expander plug on my carbon fork before unfastening the stem's bolts (carbon-specific stem, 5 Nm, unscrewed stem right after removing plug, and ...
2 votes
2 answers
695 views

Possible damage in carbon fork of used road bike I'm about to buy

I'm about to buy this used Giant TCR (year?) road bike, but I noticed it has a raised mark on one side of the fork. The bike shop knows nothing about it and it seems structurally fine. May it look ...
1 vote
1 answer
1k views

Canyon Endurace CF 8: expander vs compression ring

I recently bought the Canyon Endurace CF 8 and after talking with the support center, they told me the expander is the compression ring Ai-70. However, after riding the bike for some km, I notice the ...
3 votes
2 answers
16k views

What should the torque of an expander plug in a carbon fork be?

What torque should be used for the expander plug in a carbon fork? This one shows 8NM, which seems high Manufacturers rarely seem to supply this information, yet tightening too much could damage the ...
0 votes
1 answer
366 views

Hylix carbon fork and compression plug

I have an Origin8 compression plug 90mm long with recommended torque of 8Nm. But it can't be inserted fully into the Hylix carbon fork I bought online as there's lots of epoxy blocking the tube in the ...
1 vote
0 answers
557 views

manufacturing debris inside carbon fork steerer tube

I bought a 90mm compression plug so it would extend about 30mm into the bike's head-tube. But when the carbon steerer tube was cut to desired length, the compression plug could only be inserted to ...