Park Tool BSH-4 Bladed Spoke Holder BF New YBN enters the 12sp arena

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

the smart silicone back leaves no residue behind

19 sizes (36-50) with 5mm increments across the entire range for a more simplified sizing system

M5 hardware included

For 2020-2022 Supersix Evo

Park Tool BSH-4 Bladed Spoke Holder BF New YBN enters the 12sp arenaTruing 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