DESCRIPTION & MATERIALS
• For Tandem cranksets (CK-8680CCC-TD,CK-6020CCC-TD)
• Oversize cartridge bearings
• Forged alloy and CNC machined external cups
• Composite center sleeve w/ double o-ring seals
SIZES
• English threading - 68 and 73mm width (BC-1.37” x 24T)
FINISH
• Anodized cups and sleeve
WEIGHT
• 108 g