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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
Adjustable spring tension
so even the weeniest of weight weenies have no excuses
Royal blood mineral oil
Rugged + waterproof to 33ft (10m) without a housingAdvanced wireless connection to GoPro accessories
Built-in Wi-Fi + Bluetooth® technology
Shimano BB-7710 Bottom Bracket 68 x 109.5mm Dura Ace Track Size:68X109.5 Adjustable spring tensionFeatures 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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