Lightweight Aluminum Crank Cap - Secure Attachment Bolt for Cranksets

Description: Waterproof, dustproof, super light. Best quality and visual effect, unique rubber design. Two kinds of rubber rings, can fit most of the bikes well. Application: Bicycle integrated hollow crankset(crankset side). for Mountain Bike and Road Bike. Specification: Material: Aluminum Alloy Color: Black, Red, Gold, Green, Blue. Size: outer diameter: 26mm/1.02in; inner diameter: 19mm/0.75in; height: 9mm/0.35in. Package Includes: 1 Piece Bike Crank Note: Please allow 1-3mm error due to manual measurement. And due to the light and screen difference, the item's color may be slightly different from the pictures. Please kindly understand. Make sure you don't mind before you order.