0
votes
0answers
7 views

New Dahon Mariner D8: can't fold pedals

Today I rode my new Dahon Mariner D8 to work; it was the first time I used it. I cannot fold the pedals. (1) Are both pedals supposed to fold? (2) Is there some kind of trick to folding the pedals? ...
2
votes
1answer
27 views

Mount mirror to front rack

I have a large front rack that is 17 inches wide. Is it possible to attach bike mirrors to the back side of the rack that extends to the right and left of the bike?
0
votes
1answer
35 views

Changing crankset

I'm new to mtb and have just purchased and waiting delivery on a Giant Stance 2, I would like to convert to a 1x9 with a smaller crankset, would I have to adjust my chain to suit a smaller single ...
5
votes
3answers
97 views

How quickly can the body restore energy reserves mid-ride/post-bonk, and how do we optimise this?

I'm interested in how we can maximise restoring energy stores (mainly glycogen, but I'm deliberately being vague) either between closely spaced rides or on long rides. I ask in the context of a ...
1
vote
1answer
66 views

Front wheel bearings change

I have a mountain bike - can the front wheel can have 1/4" bearings? I know that the standard ones are 3/16" but I think mine came with 1/4" The reason I am concerned is because I changed my front ...
19
votes
6answers
5k views

What is best for your brakes when stopping at the bottom of the hill?

You are at the top of a hill and want to stop at the bottom. What is best for your brakes so you don't wear them down: brake continuously; or brake when you reach the bottom?
2
votes
1answer
43 views

Pedaling overhead with front vs rear hub motor

When pedaling with the motor not working, would a rear geared hub motor give more resistance when accelerating or a front geared hub motor? Given that the the torque from pedaling is applied to the ...
3
votes
2answers
78 views

Can I upgrade my Specialized Epic Comp 29er 2x10 to a 1x11?

I have a 2016 Specialized Epic comp 29er mountain bike that has a 2x10 drive train. I’d like to upgrade to a 1x11 (instead of a 1x10 wide ratio) drivetrain to drop the front derailer and also make ...
1
vote
1answer
86 views

Electric motor: rear, center or front?

I'm looking for an electric bike. I see motors available on rear, center, and more cheaper, a wheel with a motor to adapt to front. Any experience to help me to make a decision?
5
votes
2answers
138 views

Toothed plastic cup on bottom bracket got sheared off - still removable?

I messed up. I wanted to switch out the bottom bracket on my bike. When I tried to do that the toothed cup on the left side (non-chain side) sheared off. The entire thing is now plain with its housing....
1
vote
1answer
72 views

What kind of bike is a brooks champion flyer saddle suitable for?

I have a brooks champion flyer, sprung saddle which I have used in the past for touring on a converted mtb.However, I have read recently on Sheldon Brown that they are best suited to bikes where the ...
-1
votes
0answers
66 views

Just got a new bike and front hydraulic disk brakes not locking

Just got a brand new bike. the talon 3. And front brakes are not locking its all stock parts
18
votes
8answers
2k views

Properly locking on a floor mount rack with a U-lock

I have read recommendations to lock both the bike's frame and wheel. That's quite easy to do on larger racks, such as Sheffield stands. The place I work in, however, has a floor mount rack to store ...
1
vote
0answers
85 views

Does rain cause Tarmac / asphalt pot holes? If so, how? [on hold]

Does rain cause Tarmac / asphalt pot holes? If so, how? After a period of rain in my city there are plenty of fresh new pot holes in the Tarmac / asphalt surfaces. The immediate cause is obviously ...
1
vote
1answer
75 views

Determine width of rim to match tyre

I need some 5 ray rims but the ones I find on the internet are way too expensive, so I decided to "roll my own" by creating a 3D model and having it machined from a piece of aluminum. I've chosen to ...
3
votes
1answer
55 views

Mountain bike freewheel replacement

My freewheel pawls recently shattered and I was wondering if the new one I am about to order will work. New freewheel at ebay The only difference I noticed was the new sprocket is more spread out.
5
votes
2answers
767 views

How worn is this chainring?

I have the chainring shown below. It's the front sprocket of an ebike. Does this chainring need replacing or are the teeth still OK?
1
vote
1answer
59 views

I have a Mach One BMX, help me decipher its serial number [on hold]

I have an all original (as purchased) GT Mach One, but I can not find typical info a serial number and other stampings usually provide. Can any of you steer me in the right direction to help decipher ...
2
votes
2answers
66 views

How do I fix my rear axle?

Bike was working fine. I was stopped at a stop sign, when I went to pedal it jerked and felt like my chain popped off, but it had not. Pedaling does nothing. The back wheel still rolls if I push it. ...
3
votes
2answers
120 views

What type of rear derailleur is used on my bike?

Direct mount or hanger mount? Sooo, one glance at these photos will tell you why I'm asking this... Needles to say, I need a new one and I'd like to know what I should be looking for. It's for a 21-...
-2
votes
0answers
54 views

I need to identify this bike with serial number C82035 23864

It has serial number C823035 23864 and a number 40 is stamped on it. Then it has a number on its head tube: HC4870471.
8
votes
2answers
688 views

What air attachment screws onto a Presta valve with the core removed? High volume for seating bead?

I have presta valves on two of my bikes. I have a presta floor pump. I have an air compressor. I have a schrader adapter. I have a blowgun and a tire inflator for my compressor. I can attach the ...
1
vote
2answers
357 views

Evaluating hybrid bike geometries

I am planning to buy a hybrid bike and have been evaluating a few geometries. Merida Speeder 100 Juliet 2018 Cannondale Quick 5 Disc Women's 2018 Marin Terra Linda 2 2019 Trek Zektor 2 2018 ...
2
votes
0answers
92 views

Ultra road machine or a CX/gravel bike to replace/augment my MTB? [on hold]

I currently own a flat bar, hardtail 29er MTB. I can pretty much ride it anywhere. The thing is I usually ride on tarmac anyway with some gravel segments if I take a shortcut through the woods. Where ...
2
votes
2answers
88 views

Rotating 12-speed SRAM GX chain

I have a new mountain bike with an SRAM GX 12-speed drivetrain. I am thinking about rotating the chain to make maintenance easier and to increase the lifetime of the cassette. I would swap between two ...
1
vote
1answer
86 views

Cross-chaining on a 3x6 system — how bad for wear?

I keep an old 3x6-geared MTBSO near work, and the front shifter is currently broken (smashed plastic gripshift). It will be a few weeks before I can get it home to replace it with a spare, so I've ...
9
votes
3answers
157 views

Modification for cycling with one functioning hand

My dad loves cycling, however he has dystonia which reduces control of the muscles in his hands. He can still cycle, however this becomes very painful after a moderate period of time due to gripping ...
1
vote
1answer
60 views

Replacement rear derailleur

Recently damaged the rear derailleur on my old city bike - the derailleur is a Shimano integrated 6-7 SIS Max 28t - which is no longer manufactured. I can get a used replacement via ebay but was ...
0
votes
3answers
131 views

I'm looking for a part that connects the saddle to the body frame of the bicycle

I recently removed the saddle because it was squeaking a lot, then I cleaned the inside and put oil back in, however I couldn't re-attach the bar under the seat to the body frame, then I used this ...
3
votes
2answers
80 views

Compression ring not holding top of fork in place

I just replaced a fork with a different one (Bluto»Mastodon) and, after inserting the compression ring into the top bearing (it has a tapered section), the steerer tube still wiggles from side to side....
-3
votes
0answers
35 views

What is the year, manufacturer and model of this frame [duplicate]

I need help to identify this frame. I think it is Italian from the 1960's.
2
votes
2answers
137 views

Is this cracked?

I am buying a bike from eBay and before I bid on it I just wanted to know what you though about one of the pictures. The bike is carbon and it looks like some paint has come off. What do you think ...
1
vote
1answer
141 views

Bike computer which doesn't need a smartphone to work

I'm confused with different models of bike computers available in the market right now. I actually want a bike computer which can log data including speed, distance, GPS (optional) etc. I'm not ...
1
vote
1answer
45 views

Identify Zipp hub version

Which version / year is this 303 Firecrest hub? The hub has this number: 11sp z3001 13 0863 and the wheel is tubular
5
votes
2answers
1k views

Derailleur hanger built-in/cast with frame — options if misaligned?

As per the photos below showing visible misalignment of the rear derailleur hanger: and secondly its construction (where it is built-in with the dropout and frame): Please could you help me and ...
0
votes
1answer
149 views

I need to identify what kind of bike I have

I need to find out what kind of bike I have I just got it it seems nice I just need to know what it id
0
votes
2answers
71 views

Single Speed / Fixie - Chain tension / uneven tension

I recently changed my chain and noticed it has uneven tension (probably my chain ring being out of rounds). I followed parktools video and set the tightest spot to have about 0.25 inch movement up and ...
0
votes
1answer
101 views

What to pay attention to when buying a used race bike

What to pay attention to when buying a used race bike? - the one with thin tires :) Thanks for advice guys! I ask because I am a beginner in bikes, but I would love a faster bike. Now I have a very ...
1
vote
0answers
56 views

Identify possible Kona

I recently found this bike at a thrift store and although it looks pretty haggard I'm thinking it is a Kona. Some help identifying the model and such would be appreciated. Serial number is F712K1083 ...
4
votes
3answers
264 views

What can I get for panniers to commute with my 17" laptop?

I have looked for a pannier that can hold my 17" laptop for a couple of years. No such thing exists. I tried contacting a couple of places to make one, but they never replied. So, now I'm trying to ...
0
votes
3answers
172 views

New bike for commuting and touring

I went downstairs earlier to get ready for an afternoon ride on the cheap bike I picked up a few months ago as I wasn't certain if I would keep the cycling up and found to my dismay that, once again, ...
2
votes
1answer
74 views

E-bike rims: can I use them on my touring bike?

I am touring with my MTB, now for 4 months. I have been using really good Pacenti 29er rims, but just 2 days ago I cracked the rear one. I am carrying a lot of weight and Pacenti (after I contacted ...
8
votes
2answers
2k views

Will yellow glasses stop me being blinded?

Will yellow glasses stop me being blinded ? In the winter I commute along a canal path, the lights from the other cyclists are blinding at times. Will yellow glasses stop this, it's too dark for ...
-1
votes
0answers
37 views
2
votes
1answer
44 views

Steering tube turning inside fork crown

I need some help. I can't seem to find an answer to my particular problem. Recently, I was riding my bike on a sidewalk since it was getting dark, and I went through a patch of weeds. It seemed ...
0
votes
1answer
69 views

Please help me identify this bicycle (Peugot)

I recently finished a renovation project on a classic Peugeot road/touring bike and was wondering what the model and production year of this bicycle is. I tried but could not find anything myself. ...
3
votes
2answers
81 views

Are there statistics on cycling trip distances?

Prompted by a comment on a recent question about weight loss I started to wonder: for people who ride bikes at least sometimes, what's the distribution of maximum distances? This has also come up in ...
-1
votes
0answers
61 views

Need help to identify this frame

The frame has been painted over. The numbers 57/58 are stamped onto the bottom bracket (ref. photo)
1
vote
3answers
34 views

Marin Fairfax Alp 2011 - Can I fit a 11-32t Cassette

I currently have a Shimano LG50 12-25t 8 speed cassette and am finding it a real struggle on steep hills - I am around 13 stone (82kg). This is the first time I have looked at changing the original ...
3
votes
3answers
91 views

Just curious what DIY setups have worked for removing crown race from a steerer tube?

I have a great solution for installing a crown race with just plain PVC pipe, but am really flummoxed as to how to remove a crown race from carbon forks without purchasing a specialized tool or ...

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