3
votes
1answer
77 views

Flat handlebar caliper brake compatibility

I am trying to convert my flat bar bike to drop bar. I have bought STI's but I also want to use additional brake levers(like cyclocross bikes, flat bar levers) as well. I may be wrong but cable pull ...
1
vote
1answer
49 views

What size rotor does the Cannondale CAAD10 2015 have?

I have a Cannondale CAAD 10 disc frame and a pair of BB7s that are 160mm rotors. They do not fit because (I think) I need post mount spacers. What size rotor does the frame expect, and hence, what ...
4
votes
2answers
140 views

Chain hops off cassette sprockets when I stand-pedal

When I pedal while standing, the chain hops off to a smaller cog. This happens when I "tilt" the bike, as we do when stand-pedal. I am not really sure why this happens, but I think the chain is loose. ...
1
vote
1answer
32 views

short cranks for new Brompton JIS bottom bracket

The bottom bracket on my new Brompton is this one (I believe): http://www.sjscycles.co.uk/brompton-bb-cartridge-jis-for-spider-crankset-119mm-prod31207/ It is a JIS BB with 119 mm spindle length ...
5
votes
1answer
54 views

Could i break Shimano Nexus 7 with no cable attached?

Is it possible to ride (pedal) on bike with Shimano Nexus 7 with no cable attached? Is it possible to push the bike without pedaling, when cable is unattached, or setting of shifter is not correct? I ...
0
votes
1answer
88 views

How can I mount a pannier rack on my (carbon fibre) Trek Madone 4.5? [duplicate]

I want to be able to mount a rack on the back of my trek madone but it has no braze-ons and I can't mount a rack to the QR because of a little wall/lip thing surrounds the QR.
0
votes
1answer
41 views

Overshoe for Specialized Sport MTB Shoe [closed]

At the recommendation of my local bike megastore, I bought Endura Luminate overshoes. Sadly, they are letting water in through the front as they are not a particularly good comparable shape with the ...
1
vote
0answers
33 views

Chain vs seatstay with a 50T Chainring - BMX frame

I plan to put a 50T chainring on my bmx but I am afraid to have an interference between the chain and the frame. Does anybody know what is the critical distance between the seatstay and the chain so ...
1
vote
1answer
42 views

MTB gear xx1 repairable?

I have an XX1 cassette, and broke the cog with 24 teeth, is this replaceable or repairable?
1
vote
0answers
60 views

How to fit 10 speed cassette on this hub

I bought a pair of Mach 1 wheels from PlanetX that said the hub was compatible with Shimano 8/9/10 speed. When I tried to install my 10 speed Tiagra 4700 cassette it doesn't seem to go down far enough ...
2
votes
2answers
136 views

spinning handle bar grips - can it be dangerous

I did have spinning handle bar grips on my bike. I have now replaced them with some specialized lock on grips i.e. bolted on. For example if you're cycling on the road, could spinning grips upset ...
1
vote
1answer
39 views

Cycling near Hannover

I am looking for some routes for a road bike, about 150km - 200km, from Hannover with a come back by train. I will be going to Hannover in about a month for a week, and I'd like to see something. Do ...
2
votes
2answers
86 views

Headset can't tighten enough without stiffening steering, damaged bearing retainers?

I've just cleaned and regreased my headset (which is the stock Cane Creek headset on my bike). In doing it I've noticed that the bearing retainers are out of shape; they are not perfectly circular or ...
1
vote
1answer
603 views

Why 9 speed front derailleur cannot handle 10 speed rear derailleur?

Some people are using non compatible components on their bikes. For example, using Tiagra's old 3x9 speed FD (4503?) with a 10 speed RD. And it works. So what is the point of saying "Dear customer, ...
4
votes
1answer
80 views

Suitable Shimano integrated shifter/brake replacement for old STX

I am looking for a replacement of an old Shimano STX right shifter, from a Raleigh MT-200 (I am pretty sure this is accurate). It is an integrated shifter, 7 gears, cantilever brakes. Other than ...
0
votes
0answers
25 views

Frame - FD compatibility

I have a Merida Speeder 200 (2015). I am going to install a drop bar handlebar. I've bought sora 3503 brifters and a new front derailleur(sora 3503 too). My problem is, I didn't know anything about ...
1
vote
1answer
55 views

I need to know what kind of spokes to buy

I have a Trek 7500FX with Bontrager race lite 700x32 tires. I have broken spokes, I no longer have the book what size spokes do I need?
1
vote
2answers
32 views

Attaching frame pack — velcro straps or fastex sliders?

I am trying to build a frame pack similar to Apidura and came to a question — why do they use Fastex sliders only at the bottom of the bag and attach top of it (which receives most part of the load) ...
1
vote
0answers
95 views

Is it bad to keep hydraulic brakes engaged for many hours?

I find it easier to park my bike if I can remove one of its degrees of freedom, for example, prevent the wheels from rotating. An easy way to do this would be to strap one of the brake levers down. ...
0
votes
1answer
28 views

Tire compatibility for hybrid cruiser

I have a 28" Schwinn Yorkshire 700c hybrid cruiser. I got it since it was the only one in my price range but the problem is the tires are too slim for me and I'm used to much wider ones, so I was ...
0
votes
1answer
47 views

Shimano 105 5800 front derailleur installation

I am currently installing a front derailleur as part of a new bike build. It attaches to the frame via a braze on mount. I can't get it to shift onto the big ring. It shifts onto the big ring only ...
1
vote
2answers
44 views

Rear derailleur does not shift down

I'm working on a bike where the right shifter was not working and I replaced it. it's a 7 gear cassette and the problem now is that the rear derailleur would not shift down past 3. When I manually I ...
3
votes
1answer
41 views

1970 Schwinn Tandem - How to move rear seat further away from handlebars

I scored a cool sierra brown, 1970 Schwinn Tandem 5 speed bike on craigslist (one owner even). I grew up in the 70s and loved the look of this bike, but I guess I had to turn 45 before I got one. So ...
1
vote
1answer
59 views

chain line with narrow-wide chain ring

I'm running a 1 x 10 set up on my mountain bike. Recently I noticed that when I'm on the largest cog, there is a lot of friction in the drive train and is choppy. I think this is due to the fact that ...
3
votes
1answer
40 views

How to attach bell with metal bracket

I've got a big old "ding dong" bell which has got a metal bracket and a screw for affixing it to the bike rather than the more modern "clamp"-style attachment: How does one attach this properly to ...
1
vote
2answers
65 views

Feasability of repairing '70s-era welded-steel luggage rack

I've got a '70s Motoconfort (Motobecane) with the original "French randonneur-style" front luggage rack (it looks like a very small porteur rack): In the photo above, the rack is mounted to the ...
2
votes
1answer
38 views

Shimano 105 - double chainring on triple chainset?

I ordered a middle chainring (39T) to change on my 105 5703 chainset. I didn't realise until it arrived that it specifies it is for a double chainset. Does this mean it will not fit on the triple? I ...
2
votes
1answer
42 views

Upgrade from 7-speed SunRace to 10 speed Deore: can I use the same wheel?

I got a whole Shimano Deore groupset 3 x 10 and would like to upgrade my good old Trek bike. Do I need to change the whole rear wheel now? It has currently Sunrace Megadrive Lock Ring Type cassette or ...
2
votes
3answers
107 views

Nearly getting hit by reckless vehicles. What can be done? [duplicate]

Today I nearly got hit by a driver not paying attention: I was stopped, waiting to turn right. She was turning right off the road. She did not indicate. It was a quiet residential area, daylight. ...
2
votes
3answers
134 views

Cheap import lights VS branded lights

There are a lot of blog posts about cheap import lights (like SolarStorm etc) and how they perform. What is not clear to me is why they are so cheap. I know their battery packs are low quality, but ...
3
votes
1answer
58 views

What fork size is 32mm (inside diameter on the frame) considered?

Good day, I'm new to the whole bike building process, but I've finally decided to make the step and build a semi-nice bike. I've bought a really nice aluminium frame 2nd hand, but its sizing has me ...
2
votes
2answers
135 views

Cheap carbon-fiber handlebar from Hong Kong. Will it break?

I bought a flat carbon handlebar from Hong Kong, unbranded, at ebay. I've paid about AUD25... I wonder, will it break? How can I tell whether the built quality is OK? It is for a road bike that I ...
1
vote
1answer
35 views

Are the Truvativ powerspline BBs reliable?

When I first got my Haymaker 1500 about 2 years ago the BB crank interface was the Truvativ powerspline pattern. In the first winter my left arm came loose when it was cold (-15*C or so). Since it ...
0
votes
1answer
41 views

Shimano Deore front derailleur occasionally sticking

I have a question about my front derailleur sticking occasionally. I've had this bike for a 1.7 years and have ridden it through 2 winters. It has only been after this last winter that my front ...
0
votes
3answers
79 views

key broke and stuck in U-lock with bike locked [duplicate]

Luck would have it my key broke off when I was trying to unlock my bike. The lock is U shaped ABUS. I've read people had this before, however biggest problem is that bike is now stuck at the school, ...
3
votes
1answer
82 views

Indexing issues on new build, shimano 105 5800

I am in the process of building a road bike. I currently setting up my rear derailleur. I can't seem to index the gears. I have set the high and low limit screws. I can shift up the cassette (small ...
1
vote
1answer
45 views

How to replace a bottle dynamo with batteries

I have a bike using a bottle dynamo. It works ok but I just use the light when it's absolutely needed because the dynamo really slows down the bike. I would like to make the bike run with batteries, ...
0
votes
2answers
50 views

Kenda Kwest 100 psi tires (presta valve)

I am pretty new to bicycles. Got my hands on Kenda Kwest 100 PSI tires with presta valves and I have a couple of questions about inflating them. Using a floor pump, do I need to pump them a bit ...
1
vote
1answer
43 views

Servicing / replacing headset

The headset on my daily commuter is foobared. So I'll be looking to service it, possibly replace as many of the low-end components with better ones. As I've learned the hard way, it's the questions ...
0
votes
0answers
11 views

Canyon commuter bottom bracket noise [duplicate]

The bike is 3 months old and it had since the beginning a creacking noise that comes from the BB. As far as I know it is a SRAM gxp BB...should be good.... Now I can't ride the bike because of that ...
0
votes
1answer
146 views

Is it ok to extend/straighten legs fully while pedaling and will it give me maximum power? [duplicate]

When I first got my bike, I had the saddle too low and I experienced some pain in my right knee while riding. I seem to have "fixed" this problem by raising it some. However, that got me thinking... ...
7
votes
2answers
80 views

How to check your dynamo system?

I just bought my first hub dynamo (Shutter Precision PL-8) with dynamo headlight (Busch + Müller Lumotec IQ2 Eyc N Plus). After installation I figured out that light is not working. How to determine ...
0
votes
3answers
57 views

I have a bike with a ratio of 3.11 to 1, how many links do i need in a chain? [duplicate]

I legit just broke my bike chain riding it. One of the links just snapped and i wanted to replace it with a brand new chain that will hold up better. How many links do i need in that new chain so that ...
2
votes
1answer
154 views

How to pump tire with cap that won't come off [closed]

I have a Schwinn bike from probably mid 2000's. The front tire has a regular valve cap that I can twist off and pump with a floor pump. The back tire has an oval cap that I cannot get off. And it ...
2
votes
3answers
179 views

Cycling training - 220km in 4 weeks [duplicate]

I have 4-5 weeks to prepare myself for a one day, 220km ride on a road bike, flat terrain (Germany, Ruhr Valley). This year my max is 70km (I could ride 100km, I'm doing bike rides since 2 weeks ago, ...
4
votes
3answers
118 views

How to measure and cut chain

I am currently building a road bike. I measured the chain using the largest ring and largest cog method, I counted two extra links and cut the chain using a chain tool. Both ends of the chain now ...
3
votes
1answer
62 views

Changing Shimano 105 triple chainset to compact

I'm looking to buy a used 2015 Cube Agree GTC Race. The only drawback is that it has a triple chainset, and I would prefer a compact. Which parts might I have to replace apart from the chainset ...
3
votes
1answer
50 views

Dual crown fork or not?

I currently own a 2015 GT Verb Expert. And after watching a Red Bull rampage video I started wondering can I put a 200mm fork on my Verb Expert. Or does my head tube need to be more angled. And is it ...
1
vote
2answers
38 views

How to pour tubeless sealant without removable core valves

I have an Ultegra UST wheelset and tubeless tyres on them. After suffering some punctures I decided to run them with a tubeless sealant. The problem is that the sealant's manual instructs you to ...
1
vote
1answer
58 views

Bullhorn handlebars or extension grips?

I use my hybrid bike for commuting and casual trips, and comfort is important to me. I am therefore looking to upgrade my handlebar to the bullhorn type, as this greatly increases comfort and reduces ...

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