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  • Back to porn... engineering porn.

    TA Carmina cranks. They have a splined changeable spider so can be any BCD you want:

    Also been perving over SKF bottom brackets recently:

    "Roller bearing distributes the load over a larger surface area."

    "Patented multi-stage seal keeps bearings clean."

    "One-piece shell improves alignment and allows the use of larger bearings."

    "Large spindle and roller bearings on the driveside increase load capacity."

    Effectively you get a drive side BB cartridge, you position it against the frame with a spacer if needed for the chain line, and then just screw on the other side and you're done.

    That the warranty is 10 years and covers the bearings is just nuts.

    Shimano did something similar with their 7400 series track pedals.

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