Take into account the use you are going to give to the cranks, if you need to have a more or less intense or sporty pedaling, since the diameter of the chainring, defined by the number of teeth (for example, 44T chainrings refers to a 44-tooth chainring), the number of chainrings (there are cranksets with a multitude of chainrings) and the length of the crank will determine the intensity of the pedaling, also make sure of the compatibility with the bottom bracket or bottom bracket shell as it may be a square, keyed or other systems, if you have a very old axle is very likely to be keyed, it is advisable to change to a square axle to ensure greater compatibility in the future.
Keyed connecting rods
The cranks for cotter pin axles are common on theAntique Bicycles as the Antique Bicycles of BH, a brand of bicycles with more than 100 years of antiquity or the classic bicycles of walk of all the life, they are fastened to the round bottom bracket axle of key by means of some pins or "cotter pins" that are fixed in the Connecting Rod, it is a quite rudimentary system but sufficiently robust, the main disadvantage is the weight of the set of Connecting Rods and Axle of Pedalier of steel
In any case, if your intention is to recover an old grandfather's bike and leave it as original as possible while respecting its vintage style, you should undoubtedly opt for this option of keeping the crankshaft connecting rods, they are very authentic on traditional domestic bikes and undoubtedly give the bike an undeniably retro character.
Many other Bicycles today have bottom bracket axles of quadrant, with which the crank is attached to the bottom bracket with screw, this type of crankset has a removal system using a crank extractor, in the cranks for bottom bracket axles of quadrant you can find great variety, from options in steel or steel plates with aluminum or whole aluminum pole.
Being the most common bike cranks you can opt for all the cranks on the market today, you will see offers from the best brands of cranks today, such as; Shimano, SRAM, Suntour, Stronglight, Sun Race, FSA, Race Face, Truativ, Mighty and of course the typical cranks Campagnolo...
In Biciclasica.com you can buy your Cheap Steel Connecting Rods with the guarantee of our minimum price guarantee, in our Online Store you can find a multitude of Connecting Rods to Restore Classic Bikes and all the necessary components for your Bicycle restoration projects, if you have doubts about the assembly of the Connecting Rods you can consult our tutorial section and visit our Youtube channel with many explanatory videos.
We also leave you a Pinterest board about the cranks that we like the most for the restoration of classic road or touring bikes in this link of photos of chrome cranks. We also invite you to visit our BLOG of Biciclasica.com with our analysis of the 5 Best Cranks to Restore your bike. You can find the entry to the comparison of Bicycle Connecting Rods in this link.