what bike chain length should i get?
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Begin by counting the number of teeth on the largest front sprocket and largest rear. These numbers are often printed right on the sprockets and cogs. Next, measure the distance between the middle of the crank bolt to the rear axle. This is also the chain stay length.
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Cranks come in a range of sizes, most commonly from 165mm to 190mm, and ideal crank length is often determined by three factors: your height, your cycling discipline and your personal preferences. If you change your crank length, it will change how it feels to pedal your bike, and it may change your fit on your bike.
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BMX bikes tend to come in one frame size (although there are some variations in length). It's the wheel size that can be changed and this can be chosen depending on the height/age of the rider.
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A half link chain will let you "slam" your rear wheel in the dropouts. It's basically just more flexibility on chain length. With a regular chain, you really have to remove or add two lengths when shortening or adding to the chain. You only have to change one link on a half link.
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At the time of writing a 38-40mm tyre is a very popular width for gravel and adventure riding, but there are many options between 30-34mm if clearance is tight on your bike, and you can go up to 50mm if you have space and want the biggest volume.
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Most road and racing bicycles today use 622 mm diameter (700C) rims, though 650C rims are popular with smaller riders and triathletes. The 650C size has the ISO diameter size of 571 mm. Size 650B is 584 mm and 650A is 590 mm. 650B is being promoted as a 'best of both worlds' size for mountain biking.
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When it comes to pedal sizes, there are two sizes: ½” and 9/16”. ½” pedals are only used on very basic bikes with a one piece crank.
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For those aggressive trail bikes out there, we recommend using a stem in the 50-60mm length range. Of course, this may not work for everyone. In some cases, sizing up a frame size and using a 35mm length stem may give you a more comfortable fit.
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So what constitutes 'wide'? For bikes that are small, medium, large/extra large, we'd consider the following handlebar widths as 'wide', respectively: 650-680mm, 680-730mm, 730-750mm. Anything larger than 750mm is probably influenced by discipline – downhill or gravity, for example – and personal preference.
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Most road bike cassettes have an 11, 12, or 13-tooth smallest sprocket, then between 21 and 32 teeth on the largest sprocket. The vast majority of road bikes come with a 12-25 cassette, which is suitable for most cycling terrain when paired with a compact or standard chainset.
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['Anchor/Mariner Chain.', 'Ball / Bead Chain.', 'Box Chain.', 'Cable Chain.', 'Curb Chain.', 'Figaro Chain.', 'Rope Chain.', 'Singapore Chain.']
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Heather Irmiger: When it comes to enduro bikes, there are essentially two suspension length ranges. ... If you love to earn your turns but still want a bike that is capable on the descents, the 130mm-150mm travel will do you good.
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Road bike tires: Most road bikes have a 700mm outer diameter, with widths starting at 23mm. Most road tire widths are less than 30mm, but you can also find tires as wide as 45mm on bikes intended for gravel roads.
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However, it's not a matter of bigger is better so let us explain: BMX Bikes come in multiple wheel sizes, ranging from 12” to 24”, with 20” being the most popular. 20” Wheels are the most common and are the true size for BMX.
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Most pedals have 9/16" x 20 tpi threads. Pedals for one-piece cranks are 1/2" x 20 tpi. Older French bicycles used a 14 mm x 1.25 mm thread, but these are quite rare. French-threaded pedals are commonly labeled "D" and G" (French for "droite" and"gauche" (right and left).
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If you do need to replace both sprockets and the chain, what's it going to cost you? It really depends on the motorcycle you're working on. Chains can range in price from $20 for a plain chain for a small, lightweight motorcycle to over $200 for something like a quality O-ring chain for a bigger, more powerful bike.
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Check your tire's sidewall—the numbers there indicate your tire size (roughly its outer diameter and its width, but not always in that order). Typical road bike tire: 700 x 32c indicates a tire that has an outer diameter of 700mm and a width of 32mm.