Shimano Saint FH-M820 Center Lock Disc Quick 12 mm Thru-axle Rear Hub

Saint FH-M820 rear hub by Shimano – compatible with 12 x 135 mm thru-axles
The Shimano Saint FH-M820 rear hub is used on Downhill bikes with a rear over locknut dimension of 12 x 135 mm. Its steel axle stands for extraordinary robustness and the steel freehub for quick engagement. In addition, there are low-maintenance cup & cone bearings with a grease sleeve and high-quality seals. Thanks to the Shimano E-Thru system, torsional stiffness and load-bearing capacity are guaranteed at all times.
Specifications:Series:Saint M820Application:DownhillBrake Type:Center Lock DiscFreehub Body Type:steel, Quick Engagement (36points/360°)Technical Information:Body Material:aluminiumBearings:cup & coneSeals:labyrinth + contactFeatures:flange diameter 52.8 mm left, 53.8 mm right6.4 mm offsetCBN precision machined/ground bearingssteel axleanodised hub shellfreehub body has contact sealinternal grease sleevefast responseTechnology:E-Thru
E-Thru is a tool-free thru-axle system from Shimano that optimises the stiffness-to-weight ratio and ensures easy handling via its reliable internal cam mechanism. It is characterised by a high torsion resistance and thus also supports cornering at high speed. E-Thru thru-axle hubs and thru-axles are available in the corresponding over locknut dimensions for front and rear.

Cup and Cone Bearings
Angular contact ball bearings of the cup & cone type are superior to sealed cartridge bearings in terms of load carrying capacity, as they distribute lateral and vertical forces better, and thus run particularly smoothly and last a long time. They are also easier to adjust, maintain and replace.
Models:32 hole:
Over Locknut Dimension:12 x 135 mm thru-axleSpoke Hole Count:32 holeFreehub:Shimano MTBGearing:8-/9-/10-/11-speedFlange Distance (L/R):57.4 mm (35.1 mm/22.3 mm)Partial Bolt Circle Diameter (L/R):44 mm/45 mmManufacturer Number:E-FHM820EZB
36 hole:
Over Locknut Dimension:12 x 135 mm thru-axleSpoke Hole Count:36 holeFreehub:Shimano MTBGearing:8-/9-/10-/11-speedFlange Distance (L/R):57.4 mm (35.1 mm/22.3 mm)Partial Bolt Circle Diameter (L/R):44 mm/45 mmManufacturer Number:E-FHM820DZBContents:1 x Shimano FH-M820 12 mm Center Lock Disc rear hub1 x lockring