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  1. ZIS model cranks are designed and made here at Zinn Cycles in Colorado. We have the ZIS-2, ZIS-3, and ZIS Pro Roadcranks available for road, cross/gravel, and triathlon bikes. We put all of our crank testing and R&D into these cranks. They use a Sram GXP spindle design, and therefore will work on every different bottom bracket shell that is available. You just need the right bottom bracket and you will be all set. Below is a list of the different bottom bracket standards and a link to the appropriate bottom bracket needed to fit the ZIS cranks onto your bike. ZIS cranks are available in lengths from 190mm to 215mm for road bikes with single or double chainrings.
    • BSA (English threaded) – This is the most commonly used bottom bracket shell and is typically either 68mm wide for road bikes and 73mm wide for mountain bikes. Click herefor road bottom bracket and click herefor a mountain bike.
    • Below are links to the necessary bottom brackets to use ZIS cranks on any of the different BB standards. If you don’t see yours, just ask.
  2. The Andel brand that we carry is made in Taiwan, so much cheaper, but a great quality crank. The Andel cranks use the same BB system as Shimano Hollowtech cranks, which is a 24mm spindle. These will work on any bike frame on the market with the appropriate bottom bracket.
  3. Our square taper cranks are available in the most range of lengths and chainring bolt patterns, and they will work on any bike with a threaded BSA or Italian threaded bottom bracket. They are compatible with JIS square taper bottom brackets, not the Campagnolo system. Road double cranks need a 68x113mm BB. Road Triples need a 68x122mm bb. Mountain Bikes need a 73x127mm bb.
    • Click herefor LONG square taper cranks for riders with long legs.
    • Click herefor SHORT square taper cranks for riders with short legs
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