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Bicycle Sizing Crank
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Purely Custom’s Sizing Cranks have become an industry standard for fit bike sizing cranks. They are durable CNC machined aluminum, easily adjustable and readable with embedded level on each crank arm. These cranks are even rideable when used on a client’s own bicycle.

  • Precision CNC machined anodized aluminum.
  • Adjustable from 155mm to 185mm.
  • Easy to adjust - utilizes a sturdy locking rail system with easy to view measurements.
  • Designed for square taper bottom bracket & 130mm double chain ring.

Additional versions available by request:
  • Extended Version: 185mm-215mm.
  • Childrens' Version: 145mm-175mm.

SKU: 073A Price each: $449.00


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Purely Custom - a division of Seatrom Manufacturing Co., Inc.
456 Seastrom Street • Twin Falls, Idaho 83301 • Toll Free: 1-866-758-9696 • Fax: (208) 734-7222
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