A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

Type to find tags:
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Mountain bike (MTB) can mean almost any kind of off-road bicycle. Wide knobby tires, flat handlebars, maybe shocks, probably a sturdy frame...
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Bikes designed for road use only. Could be any road-only bike, but typically means bikes optimized for speed / racing / club rides with drop handlebars, narrow tires and a crouched-forward rider posit…
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Tools, parts, techniques, and procedures to keep your bike in working order. MAINTENANCE is not the same as REPAIR, a separate tag. Maintenance is what one does on a regular basis. Repair is what one …
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The rubber attached to the rim of your wheel. Flats, changing tires, selecting tires, etc.
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Disc/rim/drum/coaster brakes; braking technique, maintaining brakes, anything else about stopping a bike.
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The big round things your bike rolls on. Rims, spokes, hubs, etc. If it's all about the rubber part, "tire" tag is better.
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Repairing, maintaining, or replacing the chain on your bike that connects the front of the drivetrain (cranks, chainrings) to the back (cogs, cassette).
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Bicycle frame construction, selection, maintenance, and repair.
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Shimano brand bicycle components. (No need to use if Shimano is an incidental part of the question.)
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broken. REPAIR is not the same as MAINTENANCE, a separate tag. Repair is what one does only when something is broken. Maintenance is what one does on a regular ba…
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Mechanism to move the chain from one sprocket to another.
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Riding safely, safety equipment, and safe places to ride.
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Riding to and from work. Other cycling primarily for transportation. Carrying stuff. Picking a bike. Related issues.
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Gears in the drivetrain of a bike.
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the combination of components that convert motion from the rider's leg movements into rotational motion to drive the chain and propel the bike. The crankset includes one or more chainr…
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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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The part of your bike that contains the axis the cranks arms spin 'round. (The crank arms are where the pedals attach.)
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Recommendations for a bike, part, or accessory recommendation. Be detailed! Ask how to select the right thing.
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Usually means the front fork, where the front wheel sits. Can also mean the rear fork, a part of the frame.
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Brakes with a disc near the hub and calipers that grip that disc.
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The things you push your feet against to make the bike go. Pedaling technique, and other stuff related to pedals. Clips and clipless pedals.
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Questions about shifting between gears or the shifters themselves.
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Concerning the parts and mechanism of bike gearing, both internal and external. Multi-speed, single-speed, fixed and freewheel.
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The cogs (gears) at the front of your drive chain, connected to the cranks.
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A cluster of sprockets, commonly 5 to 11 of them, attached to a freehub on the rear wheel.
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inflated via a valve inside a tyre to keep it rigid.
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Touring usually means very long multi-day (or multi-week) rides carrying a lot of gear (camping, cooking, clothes, etc) on the bike. Can also apply to unloaded/creditcard touring involving using hotel…
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the part of the bike where the rider holds onto for grip and steering of the bike.
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Training rides, training for rides, preparing for training rides, equipment for training, and training routines.
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The specialized system(s) of a bicycle that insulate a rider from rough terrain.
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The outer edge of a wheel, holding the tire.
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How to get the right sized bicycle for you or adjust your bicycle to fit you better.
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Cycling in cold weather, on snow and ice, in wet weather. Clothing and equipment issues relating to winter.
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Competitive bicycle riding. Trying to go faster.
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Also called "flat". Ways to avoid punctures, deal with punctures, etc.
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designed to support most but not all of the rider's weight. The saddle's nose also assists in balancing and steering.