All Questions

3
votes
4answers
538 views

Shimano Revoshift twist grip unusably tight

Shimano twist grip shifter on Apollo Neo 6 girls bike. I bought this bike 6 months ago for my 7 year old. After getting it serviced at 99 Bikes the shifter was so stiff my daughter couldn’t change ...
-2
votes
2answers
117 views

Are my frame and fork straight?

I have been riding bikes and motorcycles since I can remember. Doing no hands is no problem, my question is with this particular generic bike frame that I built: I cannot do no-hands riding. Is the ...
2
votes
1answer
74 views

Need help to put gear shifter back together!

My daughter has Shimano SL TX30 gears on her bike....I think they might be Tourney, from searches I've done. The gears on the right handlebar has a button to go down gears. I stupidly took it off the ...
2
votes
0answers
84 views

2D CAD library of bicycle parts [closed]

Does anybody know of a royalty-free, reasonably comprehensive source of 2D CAD files of bicycle parts? I use LibreCad so .dxf preferable, but most other formats possible. For personal use only.
15
votes
3answers
3k views

New wheel. Does it need that little rubber lining between it and the tube?

I recently replaced my rear wheel (hooray for figuring out how to remove the cassette). Now I am about to put the old tube in the new wheel. I noticed the new wheel doesn't have any rubber lining to ...
1
vote
0answers
52 views

What type of Cinnelli frame? [closed]

Can you help? I have just been given a bike as payment for some repairs I carried out for a friend. Not sure what frame type it is, I know that it's a Cinnelli with a Campagnolo gear set and brakes as ...
2
votes
1answer
123 views

Alternative tools for servicing a Fox fork 2016+

Official tools are too expensive. I mean lower leg removal, seal driver and seal extractor tools. Forks with new seals from 2016 onwards. Which alternative tools do you use? My fork: 2017 Fox 32 ...
2
votes
1answer
303 views

Choosing the proper bearings for replacement

Hub and wheel bearings: Xero 6902 and 6903 LBLU. I can find 6902 and 6903 bearings, usually 2RS, but I can't find that brand (Xero) and type LBLU (what does it mean?). Can I safely replace these ...
3
votes
3answers
544 views

Switching from hybrid to road bicycle

For nearly 3 years now, I have been using a 21-inch hybrid bicycle (Fuji Absolute 1.9D). My use of the bike is primarily for aerobic exercise. I ride about 20 kilometres in the morning for about an ...
1
vote
1answer
115 views

Frame with dent

I recently bought a bike and then realized it had a dent on the top tube. I would like to know your opinion if it is safe to ride. The bike is a Devinci Cameleon made from double butted aluminium. The ...
1
vote
1answer
184 views

My MTB tires say “Inflate to 50 PSI”. Can I inflate them a little more for commuting?

I bought this MTB for commuting. Yup, I found out later that I should get a road bike instead. Too late. Not planning to use on rough terrain. Can I inflate the tires more than the manufacturer ...
5
votes
2answers
627 views

Is my carbon fork steerer tube damaged by overtightened stem bolts

As per the title: I've had my bike serviced by a bike shop, who helpfully tightened up the stem cap and pinch bolts on my headset. I rode it approx 15 km (9 miles) and I noticed some play in the ...
1
vote
0answers
45 views

Norco Threshold Carbon SL 2017

I have a pair of Mavic XA Pro 650b’s that I am trying to fit into my Norco Threshold Carbon SL 2017 is there an obvious reason that the rear wheel fouls the disc mount boss? Am I able to rectify the ...
2
votes
1answer
121 views

What is the purpose of plastic insert/plug in Deore FD-M590?

My Deore FD-M590 is missing the instructions how it should be mounted and I would guess like any front derailleur, however what confuses me is little pink (my eyes) insert/plug which I don't know ...
14
votes
3answers
7k views

Can I glue this crack as a temporary solution?

I suddenly noticed a crack in my frame. Is it practical for me to use glue to seal it off as a temporary solution? Edit: Further information ...two incidents so far. Someone opened their driver ...
11
votes
3answers
1k views

Why is my average speed so low?

I recently bought a bike (never rode one real one before, only ever used the gym ones) and became quite comfortable with it so I ride it everyday around my city. Here's the thing, I'm a 19 year old ...
1
vote
2answers
92 views

Easiest bicycle to assemble? Single speed?

I have an XC MTB, a road bike and a trainer, which I maintain. I also do maintenance for the kids and wife's bikes. Today I replaced a cassette in my road bike - something that required special tools ...
-3
votes
2answers
146 views

What kind of bike is this. Looking to buy it but not sure. Any help is appreciated

Was looking to buy bike. Does anyone have any idea what kind it is?
1
vote
2answers
73 views

Long stem influence on cyclocross handling

I want to introduce myself to the cyclocross world, I'm looking for my first bicycle. I found a great used bike with a frame at size 54 (54 seat tube x 54,5 top tube), which would be slightly small ...
2
votes
0answers
94 views

How much is average annual maintenance of a mid-range electric bike?

I'm considering buying a mid range e-bike for commuting (3 miles one way, all city road/bike lane). it's about £1000 to buy the bike, but how much is it to service the bike? I don't need an exact ...
2
votes
3answers
102 views

Is the term “24 inch gear” universal (in the context of fixies)?

Recently the group I ride with has included more fixie riders than I'm used to, and there's a phrase which was initially puzzling but makes perfect sense: the 24-inch gear. I've hidden the meaning ...
2
votes
1answer
80 views

I can't extract sealed bearings out of the wheel

I face the problem again of extracting the bearings, this time out of the wheel of my Giant XTC Advanced 29” 1.5 2017, Giant wheel system, hub OEM manufactured by Formula. Once removed caps and ...
0
votes
2answers
86 views

Help determining spoke length along with an education

I understand that there are spoke length calculators and I have an understanding of what variables are at play when calculating spoke length, though I remain absolutely lost when actually attempting ...
14
votes
4answers
2k views

What options do I have if my rear derailleur breaks when I'm out on a trail?

I ran into an unfortunate situation earlier this week. I was out on a mountain bike trail, alone — just me and my hardtail. I'm pedaling, when I suddenly hear a CRUNCH and my bike stops. The hanger ...
1
vote
1answer
113 views

Mountain bike ID help

Can anyone ID my bike. I was given it about 25 years ago. I think it is a 1993 Cannondale M series frame. I only found one number on the bike 02007902204. It has Shimano XT components with RapidFire ...
2
votes
1answer
116 views

Disc brake keeps making ping-like shudder

I have a commuter bike with Tektro MD-285 hydraulic disc brakes. I commute about 14 miles every day (7 in, 7 out) in most types of weather, but I am not a performance cyclist by any means. It's just a ...
6
votes
1answer
89 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 ...
5
votes
1answer
111 views

Can I replace my road bike's front wheel quick release with any quick release?

I lost my road bike's quick release. Pictured are what I lost. Do I need to find a specific quick release that fits, or does one size fit all/most?
1
vote
1answer
63 views

Broken Shimano FD-R453

I have a Shimano FD-R453 front derailleur that needs replacing. 50t and bottom pull with a 31.8 clamp. There are three gears in the front and 9 gears in the back. Could somebody help me with getting ...
4
votes
1answer
131 views

I can't extract sealed bearings out of hub

I am attaching pictures of the rear hub of my Giant XTC Advanced 29” 1.5 2017. The hub is manufactured by Formula. I am unable to extract the bearings. I'm tapping hard from the side of pawls, ...
5
votes
3answers
687 views

How do I make shimano SPD cleat lock into pedal more securely?

I bought shimano SPD pedals and shoes for MTB. They’re great for uphill and straight gnarly sections. There is one problem - when I’m clipped in I have a ton of movement. I have tightened the spring ...
2
votes
1answer
50 views

Bottom bracket spacers

I'm installing a Sram GXP English-threaded bearing set in my 68mm bottom bracket. It is replacing a Shimano Ultegra-level HollowTech II bearing set. The crank set I'm installing is a Sram XX 42/28, ...
0
votes
0answers
53 views

Garmin edge 520 strange behaviour

Why did my (so far) trusted garmin edge 520, all of a sudden started to behave awkwardly? 1. A well known distance of 18.8klm (as is everyday measured) was measured as 21.2klm 2. Just after the start ...
-1
votes
0answers
46 views

Battery not charging on a 3 year old fatbike? 36v10s 4AH battery

The bike and battery has been great and regular, with no issues until now. Top up charging every now and then as has been under used for a year, always good power on demand. This time the charge ...
0
votes
0answers
32 views

Front hub motor for fat bike?

Suppose I want a fat e-bike with front hub motor. What are my options? Are there special motor hubs? Or you can somehow use "normal" motor hubs?
0
votes
1answer
54 views

Is throttle-only possible for mid-drive?

Suppose I want an electric bike with throttle. Is mid-drive (crank based) even an option? I got impression that mid-drive means pedal assist only (PAS).
0
votes
1answer
42 views

How can non index shifters be limited to a specific range of gears?

Searching on eBay, I find shimano SL-MY34s. Description says that they should only be used with 5/6/7 gears. What limits them to this range?
3
votes
3answers
409 views

Is Likessale a scam?

I'm looking at a bike for sale on Likessale. It seems way too good to be true, based on a Google search for prices for the same bike. Has anyone bought a bike here or can verify whether or not this is ...
3
votes
3answers
74 views

Minimum chainstay/crankset clearance

I have just finished to assemble a track bike (Cinelli Mash Parallax with Sugino DD75 crankset). Here is a picture of the distance between the right chainstay and the crank spider. I am anxious by ...
1
vote
2answers
51 views

Can a cyclometer be used with any bicycle?

I just want to know if a cyclometer can be used on any cycle or just on those made for racing or touring. Thanks for your answer in advance.
1
vote
1answer
115 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
54 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
2answers
64 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 came with and I hope you could help me.
3
votes
1answer
106 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 ...
2
votes
1answer
46 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 ...
1
vote
2answers
144 views

Is 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
90 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
78 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
84 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.
10
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?

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