HUB RR S/A 3sp RXRD3 DRUM 70mm 36 SL w/TRIM KIT/TWIST-SHIFTER TSC34 185/135mm 18T ROTARY 3 Speed 70mm Drum Brake Rear Hub. 3-Speed internal gear hub with gear ratio of 177%. Rotary gear selector without protrusions outside the frame. A356 Aluminium hub shell. 36 Spoke holes. Compatible with 17 to 19 teeth sprocket. Natural alloy finish. Weight - 1440g. Includes trim kit and twists shifter. Item Specifications: Material: Aly, Color: Sil, Brake Type: DRUM, Use: RR, Hub Drilling: 36H, Wt: 1440g, CTF-R: 28.5, LTF-L: 26.5, CTF-L: 41, LTF-R: 39, PCD-L: 89, Gears: 3s Int, PCD-R: 89, OLD: 135,