Integrated 6mm allan key system with 12mm.
15mm hollow axle, with cover to keep tool in position.

MATERIAL : AL-6066-T6 axle
SPEC : 135mm SHIMANO® hub / Length 168mm / 12x1.75 W/i nut
            142mm SHIMANO® hub / Length 171mm / M12x1.5 W/i nut
            148mm SHIMANO® hub / Length 177mm / M12x1.5 W/i nut
            150mm SHIMANO®O hub / Length 183mm / M12x1.75 W/i nut
            135mm SRAM® hub / Length 167mm / M12x1.75 W/o nut
            142mm SRAM® hub / Length 174mm / M12x1.75 W/o nut
            148mm SRAM® hub / Length 180mm / M12x1.75 W/o nut
            150mm SRAM® hub / Length 182mm / M12x1.75 W/o nut
OPTION : M12 x 1.0 THREAD / M15 x 1.5 / M14 x 1.5
Custom length thread design available
12mm / 15mm axle custom design available