ISIS Drive, the International Splined Interface Standard, is a non-proprietary splined specification for the interface between a bicycle crankset and the eros pics bracket spindle. Retrieved from " https: This section needs additional citations for verification.
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The Wikibook Bicycles has a page on the topic of: This is known as a three-piece crankset. A lack of positive location allowed it to rotate within the frame, loosening the bearing cups.
A lack of positive location allowed it to rotate within the frame, loosening the bearing cups. The bottom bracket shell and bottom bracket assembly as a whole have changed drastically as bike frames and part manufacturing continues to evolve. Http://medicinanaturale.pro/swapping-78/frere-thai-twinks-6911.php interface consists of a spindle with square tapered ends that fit into square tapered holes in each crank. The system is proprietary and protected by Shimano patents and license fees.