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Rugged + waterproof to 33ft (10m) without a housingAdvanced wireless connection to GoPro accessories
DURA-ACE proven 4-arm design: Same stiffness and lighter weight
Features: Adjustable
Key Features
7 H WHEELBASE (mm) 738 I CHAIN STAY LENGTH (mm) 310 J BOTTOM BRACKET DROP (mm) 0 K STACK (mm) 328 L REACH (mm) 276 M STAND OVER HEIGHT (mm) 407 P CRANK LENGTH (mm) 89 Q WHEEL SIZE 16"
Shimano BB-7710 Bottom Bracket 68 x 109.5mm Dura Ace Track Size:68X109.5 Rugged + waterproof to 33ftFeatures Octalink Compared the power transfer of OCTALINK with the conventional square taper spindle, the 8 splined OCTALINK interface that connects bottom bracket and crank set increases the strength and rigidity for entire assembly. SPECIFICATIONS Model No BB 7710 Series DURA ACE TRACK 7710 Average Weight 244 g Remarks For track Compatibility Track Octalink splined system.
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