Estimate chain length for single-speed or derailleur bikes from chainstay length and tooth counts. For derailleur bikes the tool uses Park Tool’s chain equation: twice the chainstay in inches (to the ...

To size a new chain on most derailleur bikes, wrap it around the largest chainring and the largest rear cog without threading it through the rear derailleur, pull it snug, find the nearest rivet where ...

Choosing between a Medium and a Large may look straightforward until two bikes with the same size label place the rider in completely different positions. Height helps, but body proportions, frame ...

The numbers stamped on your chainsaw chain are the shorthand that tells you exactly which replacement chain will fit your saw safely. But there's no single universal code across all brands. Stihl, ...

The right chain lube can save you a lot of money.

Per- and polyfluoroalkyl substances (PFAS), often referred to as "forever chemicals," are among the most persistent contaminants found in water systems worldwide. Their strong carbon-fluorine bonds ...

If you thought Olivia Rodrigo was done with the surprises after dropping you seem pretty sad for a girl so in love, you are in for a treat. Enter: Daisy Chain Fields, her newly announced all-women ...

E-bike batteries do not last forever, and when range starts dropping, one of the biggest questions riders ask is simple: How much does an e-bike battery replacement cost? The answer depends on your ...

"headline": "Bike Chain Length Calculator - Correct Chain Sizing for 1x, 2x, 3x Drivetrains", "description": "Free bike chain length calculator using the Park Tool ...

Still looking? See more results on Wirecutter. We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Sam Schild After new testing, ...

NBC Selected independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Harry Rabinowitz Tech Reporter What kinds of bike locks ...

Traditionally lubed bicycle chains are notoriously dirty to touch, and a hassle to clean. Yours may not have to be either of those for much longer, however, if you spring for the ...