shell width:68MM-73MM Press diameter:φ42*φ42 Shaft diameter:φ28.99*φ28.99 colour:black red weight:120g Bearing grade: ceramic, ABEC-7, G3 silicon nitride ceramic ball wrench:46-12/24(SRAMDUB) No need to press special tools, just use ordinary wrench to install
range: suitable for SRAM DUB specifications
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