LIVRE 11810 UNION B Series EP41B Knob for Shimano All 52-58 S2, Black, UN52-58KB41S2

Color: All Black / Series: [B Series (B-PROJECT)]... All black model with specially processed thin-walled hollow titanium knobs in black Duracon knob color. Compatible manufacturer type: Shimano S2 Knob: Round, thin-walled hollow titanium knob EP41 (black Duracon knob color & IP black surface finish / B-PROJECT setting) Handle model: [Union 52-58] .... This single handle is made of ultra-super duralumin and features a balancer that allows for quick adjustments without tools thanks to two adjustable systems: the "Variable Pitch System (52mm-58mm)" and the "Quick Slide Balancer System"! Part number: 11810 / Product number: UN52-58KB41S2