Bicycle components without which it's not a working bike: wheels, brakes, saddle/seat, bottom bracket, derailleur, stem, handlebars, bolts, etc. Also tag with specific part.

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443 views

Pros and Cons of 29 "wheels [duplicate]

I have an 29" LaPierre Hardtail. What is the difference between 29" wheels and smaller ones? I'd like to know this not only for single trails but also on the road and / or downhill trails.
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5answers
2k views

Does it matter where you buy the bike?

You can buy the same bike at different stores (see for example the Schwinn Discover, here, here, and here). Does the place where you buy the bike from matter in terms of what parts they put on it? Or ...
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3answers
1k views

Difference between road & mountain drivetrain

Basically MTB and road bikes have different brand parts (like deore / XT; Sora / Utegra etc). What are the main differences between the 2 types, that will make it incompatible? Are there things ...
3
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1answer
471 views

Disc brake pad and rotor compatibility

The SM-RT53 rotor should be used together with resin pads. If it is used with metal pads, the pads will wear out very rapidly. from Shimano BR M-416 disc brake manual How do I know if a rotor ...
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2answers
206 views

How much does number of gears matter for a front derailleur?

I need a low clamp 2x10 front derailleur. As it turns out to be a challenge to find locally, I begin to wonder How important is the rear gear specification? What is I get 2x9? How important is ...
2
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1answer
124 views

Can I swap my fixie frame and still keep all my old components?

I would like to change the frame of my fixie, it's too small for me now. It's a PureFix Bravo 50 cm, these are the specs. I would like to change the frame for a bigger one, a 54 or 58 cm one. Is it ...
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0answers
55 views

How to determine what FD is compatable with a hard-tail MTB frame?

I have a Dartmoor Hornet frame and am attempting to install an SLX 2x10 groupset. However the deralleur is FD-M676, which appears to be 'high clamp'. It is not evident from the pictures, but the ...
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4answers
3k views

Buying first hybrid bike; better to put $ into components or disc brakes?

I'm looking to replace my 2008 comfort cruiser with a fitness style hybrid. My budget allows for maxing out at $500 (on the new fitness hybrid bike itself). I ride rails-to-trails with the kids, ...
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2answers
1k views

How do I know the model of my Shimano Torney SIS Index Rear Derailleur, I have a Vertical Henox T3 bike?

I had a vertical henox t3 bike which I hadn't ridden in a long time I changed gear and the derailleur bent into the wheel spokes and the derailleur is now bent and doesn't work properly. The ...
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2answers
119 views

Old Kalkoff cross bike, worth restoring or not?

I just acquired a used 21 gear old Kalkoff cross bike (cant even find correct model name). The frame and most expensive parts seem intact, so I was just wondering if it would be cool and inexpensive ...
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5answers
10k views

Whatever happened to solid bike tubes?

As a child I had solid rubber inner tubes in my bike. They were a pain to get on but after I never had a flat again! Now I've recently started biking again and have had two flats in two days, each ...
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2answers
857 views

Selecting the right crank length

What is the best way to determine the correct crank length for my height and more specifically my leg length?
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2answers
100 views

White bike components

I would like to simplify the colors on my bike using white on components above the top-tube (saddle, seatpost, stem, cyclocross brake lever, LED lights, grips). I am having a hard time finding a ...
4
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1answer
898 views

What do I have to know, to replace my hydraulic disc brakes with new ones?

I want to buy a new hydraulic disc brake for my old mountain bike, which already has a disc brake. As I am very far away from any bicycle shop I want to buy the parts on the internet. The shipping ...
2
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1answer
2k views

Is it possible to run standard mechanical shifting on a Scott Foil Premium frame?

The Scott Foil Premium is the highest end frame available from Scott Sports, and it is designed to run an electronic drive train, routed internally. The original reports were that this frame would be ...
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1answer
3k views

No Tourney or Altus parts on Shimano website?

Why are there no Tourney or Altus parts on Shimano site, only Acera? http://bike.shimano.com/publish/content/global_cycle/en/us/index/products/mountain/acera_9-speed.html? Did they stop producing ...
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3answers
277 views

Building a city/trail bike with a CX frame, what should I consider? [closed]

What would be a good build for a 80% city / 20% trail bike? I recently purchased a Cinelli Mash CXSS frame, I will be mainly riding in the city but wanted to also take it to the trails every couple ...
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1answer
120 views

Replacing a shifter

One of my plastic shifters broke and I am looking for a replacement on the internet. How do I know whether a replacement will fit my handlebar. Are all handlebars the same size?
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4answers
931 views

Bicycle Components: What's The Real Difference?

I am buying my first 'real' road bike soon and am comparing the Shimano Ultegra vs. the 105. I have read through their websites and marketing literature. What does the semi-vast price difference do ...
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4answers
1k views

Suggestions for progressive upgradation of bike

I have one bike, which is pretty cheap. It's a Mid-Level Mountain Bike of Motache (I tried to find a picture but, no luck). But, now I want to upgrade this bike progressively and change it into High ...
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4answers
3k views

Does the price difference between a Brompton and a budget folding bicycle represent quality

I understand the difference between a cheap and expensive road bike as I have owned one of each. My question relates to an example of two polar-opposite folding bicycles; a budget £129 bike and a ...
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4answers
840 views

Are there any parts I should replace on my SCOTT Metrix 20?

I've recently bought the SCOTT Metrix 20. I'm usually having 3 road trips per week of 30 km / 18 miles. My goal is a total of 3500 km / 2200 miles per year. Question: Are there any obviously weak ...
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0answers
175 views

Where can I find a Shimano cs50 stopper fixing bolt?

Somehow I lost a single 'stopper fixing bolt' on my down tube cable stop. I have a set of Shimano sm-cs50 outer down tube cable stops, and I don't want to buy new ones because I only need one bolt. ...
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2answers
285 views

Name in English of different parts and tools

What is the name in English of the part that has a set of dented wheels and goes attached to the center of the back wheel of a bicycle? What would be the name(s) in English of the tool that allows ...
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1answer
1k views

What went wrong with my bottom bracket spindle length calculation?

Here's the facts: My bike frame requires a 70 mm Italian threaded bottom bracket I'm going to use a Nuvinci N360 IGH which requires a chainline of 49 (± 0.5) mm. I have Andel fluted cranks, which ...
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1answer
667 views

Can I change chainring size on a dirt jump bike?

I don't know the name of it but there is a part on single speed bikes. The gear? I think right where the crank is connected. Well on bmx bikes and especially dirt jumping bikes it is really small and ...
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1answer
87 views

Have you built your own components? [closed]

I got a commuter rig from a mailorder mike operation and would love to replace the stem with something I've made. I am getting into some CNC/casting/woodworking was curious if people have fabricated ...
7
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2answers
2k views

What is the name of the part, often seen on BMX bicycles, that allows an additional rider on the back the bike?

What is the name of the part, often seen on BMX bicycles, that allows an additional rider on the back the bike? It appears to be a set of relatively short but thick poles that go on either side of the ...
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2answers
3k views

How do I identify an SR SunTour fork exact model?

I recently located this SR SunTour service manual, containing schematics of a load of forks. Trouble is, my fork only has "XCR" on a sticker, and production date stamped. At some forum this is ...
5
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1answer
630 views

How tight should brakes and shifters be on the handlebars?

How tight should handlebar components be? Here it's said 6-8Nm. However, I don't own a torque wrench at that range. Should the brake levers and commands be tight, or should they be able to twist, ...
5
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2answers
611 views

Bottom bracket removal, what is this part?

I have a new (old) bicycle, and I am in the process of disassembling it. I arrived to the bottom bracket (with a cottered crank), and unscrewed the ring without problems, but then I'm faced with a ...
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1answer
486 views

What size of slick tire should I buy?

I purchased a mountain bike and I ride on the road most of the time and I was looking at slicks for my bike. My tire size that I have now is 26x2.00 and the rims. I have on are AT-550 26inch what size ...
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1answer
431 views

Trek 3700 XC Hardtail - looking to convert to temp road bike [duplicate]

Bike Description Front suspension, knobby tires Frame: Aluminum w/semi-integrated head tube, bi-oval down tube w/integrated gusset, rack & fender mounts, disc compatible dropouts, replaceable ...
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2answers
275 views

What is needed to change a set of wheels? + advice RE the cassette size

I've found a set of wheels I would like to put on my bike and have a couple of questions about how easy it is to DIY the job & compatibility. I have a 2010 Allez Sport Triple and want to swap the ...
3
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1answer
2k views

Can I run 2x10 XT Shifters on a flatbar road bike with 105 10 speed STI components?

I want to run 2x10 XT shifters on a flatbar but still want use the 10 speed 105 components of the road bike would there be any problems?
2
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1answer
555 views

How to get a replacement crankset gear for Dahon P8?

How can I get a replacement crankset gear for Dahon P8? It is a 52 T with 5 screws. I searched shops here in Belgium, but they have only an expensive whole assembly.
5
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1answer
501 views

are OEM parts of lower quality?

I've heard many times from experienced riders that OEM parts (parts that accompany a complete bike) are of lower quality than the exact same aftermarket parts (parts bought separatelly). Is this ...
2
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1answer
8k views

What are my options for replacing/upgrading my MTB front mech?

I recently damaged my front mech, a Shimano Acera, top swing, bottom pull, triple chainring. The rear cassette is 8-speed. So I need to replace this front mech. The original Shimano Acera is probably ...
9
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5answers
8k views

Good Quality Road Platform Pedals?

I am trying to find good quality but not exorbitantly expensive platform pedals for a road bike. I tried Shimano SPD, but ended up concluding that for me it was more of a deathtrap. I did end up ...
11
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1answer
8k views

Chart for bicycle component quality?

I'm not very familiar with all the different component groups available and wondered if there's a chart that ranks their quality (or price). So I'd know that Shimano 105 is the same level as SRAM ...
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3answers
1k views

Thinking of upgrading my brakes to these, is there an issue with “mushy” braking?

I want to get these in combination with new levers for my bike, but under the description it says: "Use of these calipers with standard SLR enabled STI and brake levers results in a "mushy" brake ...
4
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1answer
131 views

What are the original components to a 1953 Schwinn Paramount?

I have a 1953 Schwinn Paramount that I inherited and have been riding as my daily commuter. I think most everything is original, but am not sure. Where can I find out what the original components ...
23
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11answers
64k views

Why would one ever buy a 12-25 cassette when an 11-25 is available?

I was looking at purchasing some Sram Rival components. Looking at the available cassettes, there is a big variety of sizes available: 11-23: 11-12-13-14-15-16-17-19-21-23 11-25: ...
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2answers
2k views

Buying from AliExpress

I've notice that the business to business site AliBaba and it's more consumer friendly AliExpress website have a number of bike components for sale. They tend to be complete component groupsets and ...
2
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2answers
188 views

Suitable remedy for chain damaged by bike shop

I've got a fairly old Dawes Discovery 301 (not sure of the year); earlier today I took it to a shop to have a replacement bottom bracket fitted. I rode it 2 miles home, and noticed a slight ...
2
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3answers
117 views

Is there a collective name for the non-groupset parts?

I would like to estimate the price of a bike if bought in parts. One thing is the frame, that is easy. The front and rear shock can also easily be checked out as individual components. Tires A ...
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2answers
1k views

Planning on building a fixed-gear/single-speed from an old Schwinn World. What new parts will I need?

I think I want a flip flop hub, to keep my options open. If I get one off amazon, do I need to buy a freewheel and fixed-gear cog as well, or will those come with the hub? Also, does the hub have to ...
4
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1answer
173 views

What is the name of the part by the right-hand pedal on to which the chain grips?

There's a part common to all bikes that resides by the right-hand pedal that holds the front sprockets upon which the chain grips? I'm aware that this part contains the sprocket or sprockets on to ...
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1answer
103 views

Where can I find a replacement part for a seatpost collar?

I have a foldable bike and I need to constantly adjust the height of my bike seat, the problem is that one of the pieces of the seatpost collar is totally worn out and needs replacement. The part ...
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1answer
363 views

Confusion regarding the Shimano numering system

I have learned that the first couple of letters on a stamped Shimano part mean the part type e.g. FD - front derailleur, and the first digit indicates the series e.g. M960 XTR/DCL 9s M950 XTR 9s M900 ...