Questions tagged [sram]
Questions that specifically deal with SRAM components. (No need to use if SRAM is an incidental part of the question.)
267
questions
19
votes
1
answer
31k
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How to mount SRAM snaplock?
I am trying to join PC-1 SRAM chain, it has such snaplock:
And the problem is, the distance between holes is slightly less (IMHO) than distance between the pins. Every hole on its own fits any pin, ...
11
votes
3
answers
38k
views
What's the difference between Shimano HG and SRAM XD free hubs?
I know that the Shimano free hub is pretty common. I think it's called HyperGlide (HG). But now I heard that SRAM has a free hub called XD. What is this? What is the difference? When do I need it? Can ...
11
votes
3
answers
7k
views
What is "crank preload"
I'm in the middle of swapping my BB30 cranks from stock FSA Gossamer to a (shorter length) SRAM BB30 "IA" S950. The S950 has a "crank preload" adjuster on the NDS which the spindle is also attached ...
10
votes
2
answers
39k
views
Eagle chain B-gap adjustment without plastic tool
SRAM makes this plastic tool for adjusting the B-gap on their Eagle derailleurs. My question is, if I want to measure this distance without this tool (say with a caliper instead), how should I go ...
9
votes
3
answers
8k
views
Can double chainrings be used with a clutch-type rear derailleur?
I've been reading up on Sram's CX1 1x11 cyclocross-specific group. It hinges on two technologies to minimize the potential for dropped-chains/chainslap. The CX1 clutch rear-derailleur keeps the chain ...
8
votes
4
answers
18k
views
How to properly clean and lube the bearings on a sram apex bottom bracket (GXP)?
For this bottom bracket type I am not sure you can take the bearings out to lube them. How do I get grease in there. Also how do I get the old grease out? Does it even matter?
I found this video (...
8
votes
2
answers
8k
views
Chain rubs against frame when in smallest rear cog
I've set up a 12-speed SRAM Force groupset with an XDR cassette. When in the smallest rear cog, the chain rubs against the frame:
Does anyone know what causes this and how to fix it?
The frame is a ...
8
votes
2
answers
7k
views
BB92 (Shimano bottom bracket) with SRAM 30mm crankshaft (X01 or XX1 BB30)?
The frame that I want to build has BB92 bottom bracket hole.
The drivetrain I want to use is 1x11 SRAM XX1 or X01 with 30mm crankshaft (BB30)(edit: also available GXP).
There are ways to fit it - ...
7
votes
3
answers
3k
views
SRAM XPLR for a 2x12
Hello fellow cyclists,
Could someone please explain to me why XPLR rear derailer is 1x only? I want to install it on my gravel bike with 43/30 double chainring upfront. What can go wrong?
Thanks!
-----...
7
votes
1
answer
1k
views
Flat mount brake caliper and rotor tolerances
So I was finishing my build today putting all pieces together on my Diverge 52 carbon frame when something come to my attention: the flat mount SRAM Red hydraulic brake calipers can barely clear the ...
7
votes
1
answer
1k
views
SRAM XD driver body wear
I was climbing a steep hill, and all of a sudden my pedals started spinning freely. The freewheel had given up.
I removed the cassette and found the XD driver looking like this:
The areas around the ...
6
votes
4
answers
3k
views
Mechanic told me to replace the entire brake system because of "slow return"?
A bit of back story first: I bought a second-hand bike in 2020. It has SRAM Level TL installed from the start. It caught my attention that brake lever didn't return to the end and had very little ...
6
votes
3
answers
837
views
SRAM quick link reuse
Sram says that their quick links should only be used once. I've installed new chains, had to shorten them and have broken the link more than once doing so. I've also continued to reuse them when ...
6
votes
3
answers
3k
views
Can I combine SRAM Rival 22 Levers and Shimano 105 Rim Brakes?
As the title asks, is it possible to combine SRAM Rival 22 levers (for mechanical rim brakes, of course) with Shimano 105 rim brakes?
6
votes
2
answers
2k
views
Are lighter chains worth the cost?
I'm replacing chains on a number of bicycles, and trying to decide what chains to purchase. I'm a fan of Sram's master links, so I'm comparing the Sram PC-971 to the PC-991. The PC-991 is ...
6
votes
2
answers
2k
views
Is there empirical evidence that SRAM DUB bottom brackets have longevity issues in the BB86/92 format?
It's well-known that bottom brackets designed for a 30mm spindle and a BB86/92 press-fit bottom bracket shell (41mm internal diameter) will have reduced lifespans due to the very small bearings that ...
6
votes
3
answers
3k
views
Is the plastic sleeve optional for a GXP bottom bracket install?
I took my frame to a bike shop to have the threads chased on the drive side. When I got home, I realized that they didn't install the plastic sleeve (because I didn't give it to them). They didn't ...
6
votes
1
answer
674
views
How much can bike shift cables spool, and over what radius?
Some shifter designs have become known for causing broken cables, anecedotally because they're causing too much repeat spooling and unspooling over too tight a radius. For example, broken cable heads ...
6
votes
1
answer
194
views
Sharing an 11 speed SRAM wheel with an 11 speed Campagnolo
I have two bikes, one with Campagnolo and one with SRAM red. I want to be able to swap wheels (Primary for Triathlons) but also on my trainer.
Why do I need to be aware of?
6
votes
1
answer
547
views
I understand flat-top chain connectors; what's the story of this convex-top style?
I am familiar (we are all familiar) with the standard figure-8 shape of a chain link.
I also somewhat understand the justification for the "flat-top" chain link.
This style is used when ...
6
votes
1
answer
5k
views
Are there any adjustments for hydraulic brakes?
I prefer stiff, touchy, on/off, brakes. When I was using mechanical disc brakes, I always adjusted them so that the pads were almost touching the rotor. This provided the short lever travel I was ...
5
votes
2
answers
6k
views
What does this barrel adjuster do on the rear derailleur (SRAM Apex 1)?
On this SRAM Apex 1 derailleur, what does this barrel adjuster do?
What happens if I turn it clockwise/anti-clockwise?
5
votes
5
answers
8k
views
Gear indicator on SRAM X5 Shifter shows wrong gear
I have SRAM X5 Shifters like this one:
The indicator is now showing the gear above the one I'm actually in, so if like the picture it shows a 2 I would actually be in 1 (the smallest chainring), a 3 ...
5
votes
3
answers
5k
views
Replacing the front derailleur: unlink the chain?
If I want to replace the front derailleur on an already set up bicycle (replace SRAM Apex with SRAM Force), do I have to unlink and relink the chain on order to thread it through the FD cage? Or can I ...
5
votes
2
answers
870
views
How to remove crankset for SRAM S350
I have a Kona Rove 2020, which is listed as having a SRAM S350 crankset.
My understanding is this is a self-extracting crankset which means the inner 8mm non-drive side bolt should be loosened/...
5
votes
1
answer
934
views
Stock 10 Speed Shifters with 9 Speed Transmission [closed]
I have a bike that was built with 10 Speed Campagnolo Veloce Shifters, 9 speed Veloce rear derailleur, and SRAM 9 speed cassette and chain.
I found a page on the builder's website that states they do ...
5
votes
1
answer
365
views
Alternative to tuning automatic hub?
I am contemplating purchasing an automatic gear hub, namely the SRAM Automatix. One of the criticisms leveled at this hub is that it shifts up too soon. The default settings can however be adjusted if ...
5
votes
1
answer
3k
views
SRAM Red 1098 Cassette "teeth"
I noticed on the largest sprocket of my SRAM Red cassette, after every 8th tooth, the tooth is missing. I looked at one on line and noticed the same thing. What is the purpose of not including these ...
5
votes
1
answer
477
views
Can I reuse Jagwire hydraulic brake hose?
They were previously filled with Shimano mineral oil. Now they are to be re-purposed for dot 5.1 oil. Any issues with doing so?
Cheers.
5
votes
5
answers
4k
views
Can I use Avid olive and connector insert in a Shimano brake?
Basically, this is the question:
I can use the olives and connector inserts proper for Avid in a Shimano Deore M596 brake/hose?
Has anyone tried and can report if it worked perfectly or if there was ...
5
votes
1
answer
534
views
Has SRAM discontinued i-light hub dynamo?
I haven't been able to find SRAM hub dynamos lately. Has SRAM discontinued making of hub dynamos?
5
votes
1
answer
22k
views
SRAM Guide brake lever won't return
I have an SRAM Guide brake (rear) that after bleeding, the brake lever won't return quickly. At room temperature, this is barely noticeable, but when the temperature climbs, or the bike is in the ...
5
votes
2
answers
734
views
SRAM 53/39 along with 10/33
Can I run my old SRAM cranks (53/39) along with new 12 speed Force axs 10/33 cassette or do I have to run new cranks too?
5
votes
1
answer
372
views
SRAM DoubleTap - attempting to shift down in lowest gear
My bike has a shifter with the SRAM DoubleTap mechanism, where you push it over one click to shift up and two clicks to shift down. When you're in the lowest gear, it only allows you to push it over ...
5
votes
1
answer
3k
views
Ultegra 6700 Left Side Crank with SRAM Red
I'm considering buying a TT bike that has a full SRAM Red group. I'm wondering if it's possible to use my Shimano Ultegra 6700 left-side crank in place of the SRAM Red crank.
Why? I've got a Stages ...
5
votes
0
answers
3k
views
SRAM XD cassette will not fit on the splines of an XDR driver
I have an 11 speed 10-42 XD cassette that I am trying to fit on an XDR driver (this one - https://www.alltricks.com/F-41493-pieces-roues/P-676097-fulcrum_body_sram_xdr). No matter how I turn the ...
4
votes
2
answers
33k
views
Explanation on the lineup of Shimano Derailleurs
I am pretty sure that almost everyone in this community knows the answer to this question but not me. I found this picture on the internet.
I am just a beginner and I still don't understand the ...
4
votes
3
answers
18k
views
SRAM X01 Eagle (12speed) in 11speed transmission: it work?
Well, I intend to use an SRAM X01 Eagle (12speed) rear derailleur in a 1x11 transmission (with a SRAM X01 "non-Eagle" 11speed trigger, cassette SunRace 11s 11-46, SRAM PC XX1 chain).
Will it work ...
4
votes
1
answer
2k
views
Should I remove the chain before installing new rear derailleur?
I want to put a new Sram X7 instead of killed one, should I open the chain (if I have no chain lock) or it's better to open the derailleur?
4
votes
2
answers
420
views
Bargain-basement component brand lines?
So it now seems obvious to me that brand name alone is not a good quality heuristic; my Shimano Revo shifter just went south and was replaced after two years, which seems far too soon. (LBS put a SRAM ...
4
votes
2
answers
671
views
Does a magic link or Powerlink require removal a regular chain link first?
Pulled a Shimano Ultegra chain off my bike for cleaning and noticed the mechanic had installed it with a pin and not a magic link. Because I have a magic link handy (and, if I'm honest, because I ...
4
votes
2
answers
393
views
Replacement Hoods for SRAM Rival 1 Levers
I have a 2020 Kona Rove ST with SRAM Rival 1 shifters/levers/a brifter. It's a 1x11 speed. My local bike shop recently did some work on my bike, and it seems they tore my hood. It was definitely not ...
4
votes
1
answer
2k
views
Can I use SRAM DUB Red Crankset in a Trek Madone SLR 7 that requires GXP?
I have an Allied Alfa Disc with SRAM Dub and Red AXS Crankset (with Quarq pm).... and I want to switch all my components onto this 2020 Trek Madone SLR 7 Frameset. My LBS says I have to buy a new SRAM ...
4
votes
1
answer
1k
views
Which bikes come with SRAM Automatix
I rented a bike with SRAM Automatix once and it was a pleasure to ride. I'm not sure what the brand was and I couldn't find any information online as to which bikes come with this hub.
I guess I ...
4
votes
1
answer
2k
views
Carbon fiber crank arm with scratches--how much damage is a concern?
I have a compact SRAM red crankset with carbon fiber crank arms. On the left side, the outside coating on the end has chipped off from sometimes colliding with the ground while turning.
At what ...
4
votes
1
answer
9k
views
Sachs Torpedo 3 gear vs. SRAM T3 vs. SRAM i-motion 3 gear
Various webshops use the following names:
Sachs Torpedo 3 gear
SRAM T3
SRAM i-motion 3 gear
There are many inconsistencies in what exactly they call them, and for a long time I thought it was ...
4
votes
2
answers
32k
views
How did my rear freewheel become incredibly tight overnight?
I got a flat yesterday morning after a normal ride, walked my bike inside the house and propped it upside-down (like this) overnight. This morning, I changed the flat and put on some brand new tires ...
4
votes
2
answers
686
views
Shimano and Sram compatibility on Wahoo Kickr
I have a 2017 Wahoo Kickr which doesn't allow for a Sram xdr driver...but I now have all Sram Red AXS eTap 12 speed. Since the Kickr will accommodate a Shimano spline, can I put on a 12 speed Shimano ...
4
votes
2
answers
178
views
SRAM chain came with only half a powerlock
I just bought a new cassette and SRAM 9-speed PC 971 chain. On the outside of the package a power lock is pictured. However, inside the package only one half of the power lock was included. There must ...
4
votes
2
answers
10k
views
What are common causes of premature chainring wear?
My bike mechanic told me today that my front chainrings are starting to wear out and I should consider replacing it soon (with my next chain replacement). The cassette is still in good condition and ...