SIX MONKEYS HUB REAR - MTB

SESSION’S HUBS COMES WITH THE SIX MONKEYS SYSTEM, THAT CONSISTS IN A 6 PAWLS FREEHUB, WITH 3 TEETH ON EACH PAWL (meaning 18 engagement points per click), WORKING IN A 102 TEETH DRIVE RING RESULTING IN A 3.5° ENGAGEMENT. IT ALSO HAS 4 JAPANESE SEALED BEARINGS.  SIZES: BOOST SHIMANO - 12 X 148MM (10 OR 11 speed - 28H) BOOST SRAM XD - 12 x 148MM (11 or 12 speed - 28H or 32H) SHIMANO - 12 X 142MM (10 or 11 speed - 28H or 32H) XD SRAM - 12 X 142MM (11 OR 12 speed 28H or 32H)   Weight :  BOOST XD - 320G (11.3OZ) 142MM XD - 314G (11.1OZ) BOOST SHIMANO - 332G (11.7OZ) 142MM SHIMANO - 326G (11.5OZ)     *All of them with 6 bolts rotor style. (Rotor not included)