Park Tool BSH-4 Bladed Spoke Holder BF New Cognition V2 hubset rolls efficiently

Cognition V2 hubset rolls efficiently whether you are pedaling or coasting

Treats pads and rotors to reduce brake squeal

carbon composite construction and precision BOA® adjustment system

Freewheel body: convertible CAMPAGNOLO ED (kit V3440101 sold separately)

YBN enters the 12sp arena with an ingenious design that excels in every performance category

Park Tool BSH-4 Bladed Spoke Holder BF New Cognition V2 hubset rolls efficientlyTruing a bicycle wheel with bladed aero spokes can be precarious one careless adjustment can twist or bind the spoke, weakening the spoke and defeating the purpose of the aero design. The BSH 4 securely holds bladed spokes in place, preventing twisting and making tension adjustments easier. Features a lightweight ergonomic design and four different sized slots to fit a wide variety of bladed spokes. Fits bladed spokes from 0. 8 mm to 2. 0 mm width