The Gossamer Pro features AL6061-T6 cold forged solid crank arms with a 110 BCD mated to a chromoly steel spindle. It comes complete with chromoly bearings and 100-percent CNC AL7075 T6 chainrings.
DESCRIPTION & MATERIALS
• Cold forged AL6066/T6 aluminium crank arms
• AL7050 CNC chainrings for Gossamer Pro
• AL7050 Stamped chainrings for Gossamer
• Monocoque crankarm/spider
• Chromoly chainring bolts
• Available for 10 speed and 11 speed systems
• Heat Treated chromoly inner chainring
• Chromoly chainring bolts
SIZES
• Length - L165mm, L170mm, L172.5mm, L175mm
• BCD - 110mm
• 50/34T, 46/36T
FINISH
• High polished Black anodized
• Laser graphics
CRANK WEIGHT
• BB30: 777 g
• MegaExo: 784 g
With Road BB-PF30
DESCRIPTION & MATERIALS
• Chrome Steel BB30 cartridge bearings
• Compatible with new Di2 groupsets
WEIGHT
• 79 g
With BB-OS6000
DESCRIPTION & MATERIALS
• Chrome Steel BB30 cartridge bearings
• Wave Spring and Cir-clips included
• Nylon adjustment washers included
BB WEIGHT
• 57 g
With MegaExo BB-6000
DESCRIPTION & MATERIALS
• MegaExo oversize cartridge bearings
• MegaExo alloy bearing cups
• Compatible with new Di2 groupsets
SIZES
• Ø24mm spindle
• BSA 68mm - ITA 70mm
BB WEIGHT
• 101 g
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