Disc Hub Mount for 9 Bolt Hole Standard Sprockets Bore 1.3inches 33mm

Disc Hub Mount for Standard 9 Bolt Hole Pattern Sprockets

Specifications:
Thickness: 3.48mm or 1/8 of an inch Aluminum
Material: 7075 Aluminum
Bore: 1.3inches 33mm
First Hole Pattern: 6 bolt ISO International Standard 5mm DISC bolt pattern
Second Bolt Pattern: Kit Sprocket 9 bolt pattern for 6mm bolts
typical steel factory sprocket,
81mm or 3 3/16 inches outer diameter of bolt holes
Weight: 1.6oz