* new and high quality *36holes Rear Disc Hub for bicycle silver silver treatment, very smooth and beautiful *36round holes for spokes assembling *withGrease port designVery easy to maintain and install *suit for most bikes old school bike *Easy for installing to the freewheel with the screw end nutted axle design. Specifications: Prodct Name: Bike Front/Rear Hub Hole Quantity:36 Total Length:front : 140MM , rear 175/180/185MM Material: Iron Steel Weight: front drum 285g, rear drum 380g Package include: 1x36hole Bike Hub Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.