All Questions

1
vote
0answers
15 views

Is there such a thing as a 25mm Crank Puller?

I have a BMX with a Primo Pro crank on it that I need to remove. The thread in the crank arms that the crank puller would normally screw into has 25mm diameter but I only seem to be able to find 22mm ...
0
votes
1answer
21 views

Change derailleur for new cassette?

I currently run Shimano SG-B-53/39 chain rings coupled to a 9 speed 13/23 cluster. If I was to change my cassette to a 9 speed 11/32 would I need to also change my derailleur?
-1
votes
1answer
45 views

Need anti-rotational washer for Pedalease ebike

My Pedalease e-bike is missing one of the rotational washer and I have attached a photo of the the original ones it cane with and I hope you could help me if you have them in stock.
2
votes
1answer
64 views

Does splitting long endurance rides really affect the training effect of the rides?

Does splitting long endurance rides really affect the training effect? It's quite often not recommended to split the rides even though the total duration is the same. Here are two examples. Assume ...
1
vote
1answer
23 views

New bike's disc brake rubbing the pads

there, I just got a new motobecane bike off of bikesdirect and it comes with this disc brake SHIMANO DISC-BRAKE SET ULTEGRA, ST-R8000, BR-R8000 FOR 25MM MNT, RESIN PAD SHIMANO KSMMAR160DDA MOUNT FOR ...
0
votes
2answers
76 views

It my Kestrel Junk?

I bought a new 2017 Kestrel RT1000 from Performance Bike, putting about 2K miles annually on roads. Both Oval wheels failed consistently with spokes breaking one after another. Eventually I badgered ...
0
votes
3answers
62 views

Why does my chain slips when I put pressure on my pedals

When I get on my bike and put pressure on my pedals or stand up and pedal, my chain slips. I want to know what the problem is so I can fix it myself as I don’t have a lot of money for a bike shop to ...
0
votes
1answer
57 views

Need derailleur hanger

I have what I believe is a 1994 Cannondale. I need a derailleur hanger and I’m tired of thinking I’m ordering the right one and it’s not. Can somebody please tell me how to find out what my bike is? ...
1
vote
1answer
67 views

How to chose the correct hydraulic disc brake rotor size for touring bike?

I have ordered a Shimano Deore M6000 disc brake set. What rotor size should I chose for my touring bike? I am 85 kg and my bike is approximately 15-20 kg.
9
votes
4answers
3k views

Banged frame: Is it still safe to use?

My girlfriend's bicycle was vandalized by a neighbour. It seems like they banged it with a hammer or something right in the middle of the frame. Is this still safe to use?
1
vote
1answer
131 views

Cost of trickle down on components

I enjoy buying used gear and building up bikes, but often wonder why some used/older components are only a fraction cheaper on sites such as eBay. For example, Shimano Ultegra 6600 10 speed shifters ...
-1
votes
0answers
30 views

Best Rim Brake Wheelset upgrade for < £400 [on hold]

I'm looking to upgrade the original wheels on my Specialized Allez. I've been shopping round looking for a wheelset under £400. So far I have been tempted by Hunt's offerings: https://www....
5
votes
0answers
52 views

Would like to identify a late 80s/early 90s lo-pro bicycle's manufacturer and tube type

I just purchased this bike locally in Southern California and thought it would be straightforward to identify but I've asked around and no one seems to know. The specs are: Lugged steel (fork crown ...
1
vote
0answers
72 views

What is the origin country of the bicycle brand called Longhorn?

I recently brought a hybrid bicycle from a brand called Longhorn. I have never heard about it. However the quality is quite good. So I am quite curious to know from which country the brand originates ...
0
votes
2answers
76 views

Square taper spindle won't fit into the bottom bracket

I'm making a road bike with random components I have in my garage. Everything works ok except for the bottom bracket which is a square taper 115mm long and it is still spinning free even if I turn the ...
3
votes
2answers
205 views

Sunrace 10 Speed 11-46T cassette rear derailleur compatibility

I would like to know: What rear derailleur (RD) was the "Sunrace 10 Speed 11-46T" designed to work with. Is there a compatibility chart ?
2
votes
2answers
398 views

Momentum of rear derailleur wheels?

I have new derailleur and I am somewhat surprised that when I try to spin it with hand (no chain is mounted yet) it basically has no momentum, it almost immediately stops. Almost any other spinning ...
5
votes
2answers
559 views

What do I need to consider for a cheap wheel for a Specialized Tri-Cross to use on a trainer?

I am wanting to buy a new rear wheel to make my life easier when wanting to use my turbo trainer, so I don't need to change the tyre on my current wheel every time I wish to go out/stay in. My ...
4
votes
3answers
106 views

Fix pushchair brake wire with balls at both ends - can my idea work?

The problem is with a Jane Trider pushchair so it's not exactly a Bicycles question, I'd love suggestions for a better place to ask this. But all the parts are like on a bike, only they are attached ...
2
votes
1answer
50 views

Canyon Ultimate R8000 front derailleur - can't get low enough

I have a Canyon Ultimate CF SL. I have installed an R8000 Ultegra front derailleur. I am finding that even when the limit screw is dialed right out that when in the little-big combo (little front, ...
-1
votes
0answers
35 views

Entry level hardtails: Talon 2 GE vs Specialized Rockhopper 2018 [closed]

Bike season is coming and I am trying to pick a good entry-level hardtail pick a bike. The options are: Giant Talon 29er 2 GE - https://www.giant-bicycles.com/int/talon-29er-2-ge Specialized ...
3
votes
1answer
46 views

Early Rider Belter hub maintenance

My son has had an Early Rider Belter for around 14 months. Recently, I've noticed the free-wheel sounds "gritty", and there is quite a bit of friction if you move the cranks backwards while the rear ...
4
votes
3answers
151 views

Tips for a novice cyclist wanting to get fit with a turbo trainer before summer

I have decided to have a dalliance into cycling since a lot of people I know are quite into it themselves. I have bought myself a bike (Specialised Tri Cross). Only a cheap, used one for now as I can ...
-1
votes
0answers
43 views

Mechanical disc rotor for CUBE MTB - front wheel : Shimano 559x17-21c

Seeking advice with regards to the size of disc brakes for front wheel. Cube mountain bike. Front wheel: Shimano 559x17-21c. Disc brake: Shimano brake disc sm-rt 10 Centre Lock 160mm Could you ...
1
vote
1answer
56 views

Is there any reason to switch to the Giant Aircap headset expander? Any reason not to?

I ride a Giant road bike with OD2 carbon steerer. It was originally built up with a standard expander plug, but was supplied with the glue-in Aircap expander as well. Im not sure whether to use it and ...
1
vote
1answer
43 views

Tacx Thru Axle for Giant TCR

I ordered a Giant TCR Advanced 1 (2018) and it's on its way. I just remembered that I need to get a thru axle that fits my Smart Trainer (Tacx Flow Smart. Sadly I can not seem to find the measurements ...
0
votes
2answers
42 views

Claris ST-2300 shift/brake units compatible with V-brakes?

I have a Giant hybrid (https://www.giant-bicycles.com/au/cross-city-2) with Shimano Altus (3x8) with Tektro mini V-brakes. I want to replace the flat bars with drops, which means I have to change the ...
0
votes
0answers
52 views

My Rockshox Froze Hard

My Rockshox Dart 3 (Quite an old one, bought from my friend USED) froze in the winter (-15 °C). It won't budge. I thought I turned the lockout but I didn't. Is there any chance that some water got ...
2
votes
1answer
78 views

I have steel pieces after using my turbo trainer? How can I solve this problem? Is this is a problem?

I am using an Elite Directo 2019 turbo trainer. After every ride I have some pieces around my bike. How can I solve this problem? And where to search the issues? thank you for the answer. I am using a ...
0
votes
0answers
40 views

Where to get replacement bike frame cable entry grommets?

Does anybody know where to get more of these ? These hold shift and/or brake cable ferrules where the cables enter the frame. Here is what they look on a bike if that helps: These specifically are ...
2
votes
2answers
71 views

Rear derailleur has trouble switching gears on the way up, but works perfectly on the way down?

I noticed an issue with my gears switching recently so I decided to try indexing them. I've gotten to the point where going from the smallest cog to the largest works perfectly, but in the other ...
2
votes
2answers
51 views

Halfway through changing rear gear out cable

I stupidly started changing the outer casing on my rear gear without having cable cutter ready. Suffice to say I've messed up the cut and now I can't get the gear cable though the outer casing. My ...
0
votes
1answer
30 views

Avid Juicy 3 brake piston problems

I have an 8-year-old old Avid Juicy 3 and I accidentally pressed the front brake lever while the wheel was removed. I used a flat-head screwdriver to reset the pistons. When I spin the wheel after ...
0
votes
1answer
50 views

Zipp Showstopper Brake Surface

Has anyone else noted a drastic reduction in braking performance with Zipp's NSW Showstopper braking system as they age? Right now the dry stopping isn't great, but wet stopping is practically ...
3
votes
1answer
29 views

Tadpole Recumbent Bike Correct Fairing Position

What is the correct fairing position for a tadpole recumbent trike? I have a HP Gekko 26 with a Streamer fairing. Should the fairing be as far forward or as close to my pedal range as possible? ...
2
votes
0answers
72 views

Please help me identify this bike frame?

Please help me identify this bike frame for I am a newbie/novice. I will greatly apppreciate it. It appears similar to some 1950s Huffmans, but I am far from certain. Thanks to all in advance who ...
2
votes
2answers
45 views

Shimano STI does not shift up/to lower cogs

Typ: Shimano RS505 2x11 hydraulic Problem: Up shifting is possible to the 5th or 6th cog, after this the STI does not give the click feedback and the derailleur does not move to the next smaller cog. ...
1
vote
1answer
33 views

Compatibility of tyres with wheelset

I have a E13 TRS, 28 holes, tubeless ready, 30 mm inner width wheelset, with SCHWALBE MAGIC MARY, 29 x 2.35, Addix Soft, front and a SCHWALBE NEW HANS DAMPF, 29 x 2.35, Addix Soft, rear. (The bike is ...
2
votes
1answer
60 views

What are some notable visual observations one can make of a cassette that indicate wear? And to what degree that wear has progressed?

Last summer I bought a '02 or '03 Specialized Stumpjumper. 3x9 speed. I replaced the crankset this summer with a Shimano FC-622 triple. Yes its 10 speed but I've experienced no problems and felf ...
2
votes
3answers
72 views

Can I mix brands of chain and missing link

If I stick to the same speed (e.g. do not mix say 9 speed and 10 speed), can I mix the brand of chain and missing link safely. For instance, can I use a Shimano missing link on a KMC chain, or should ...
2
votes
1answer
52 views

Tacx Flow Smart trainer calibration issues with 700x35c tyre

I'm getting into cycling properly and I have bought myself the Tacx Flow smart trainer along with an adventure/gravel bike. I chose adventure/gravel over a road bike as I can see myself wanting to ...
3
votes
3answers
122 views

Re-use Shimano quick link?

Can I use the quick link from my old shimano chain to my new shimano chain? Or the old link will cause any problem? I have to say that no damage is visible in that old quick link. Both 2x11, same ...
1
vote
1answer
62 views

Servicing/tensioning a rear mech

I have a Tiagra 4600 10 speed rear mech (mid length) which is sluggish to shift into higher gears. Shifting was all over the place, I’ve replaced the jockey wheels and checked the hanger alignment. ...
0
votes
1answer
111 views

Do we know this type/brand/model of vintage bicycle?

JUNIOR (MADE IN AUSTRIA) AND THE FRAME SAYS ''JUNIOR FLIPPER''
0
votes
0answers
66 views

Which way does this ring go on the left crank of this Shimano deore hollow tech external bottom bracket crank?

On the inside of the left crank there is a small ring. The picture shows where the ring is meant to go. The ring is smooth / flat on one side. The picture shows the flat side which seems to have been ...
15
votes
5answers
1k views

Technique for self-adhesive puncture repair patches

Is there any special technique for using self-adhesive puncture repair patches? Today, I've had two different tubes fail within a minute of being inflated because the air pressure had split through ...
11
votes
3answers
2k views

What is the generic name for the gear shifter where you have one trigger for the up shift and another for down shift?

I recently bought a bike with new advanced gear shifters where you can shift easily as the shifter has a trigger for the up shift and downshift? I would like to replace the twist shifter in my old ...
3
votes
1answer
91 views

Help my identify this bike. (3Rensho? Specialized Allez?)

Help my identify this bike. Looks like a 3Rensho or early Specialized Allez but can't find any bikes with same features. Any info on brand/years, possibly frame size would be welcome.
1
vote
1answer
68 views

Chain falling off front sprocket

I have a 7 speed Mongoose Bike. The chain often falls off the front sprocket. There is only one chain ring in the front. Any ideas what to check for? Thanks, Paul
10
votes
4answers
3k views

Roadbike with aluminium wheels in mountains. Is it safe?

I'm planning my upcoming trip to ride real mountains in Spain on my road bike. So far I used Mavic Ksyrium aluminum wheels but mostly on flat areas. I'm not confident with going downhill on this ...

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