Machined from 7075-T6 aluminum. 8 mm thickness for more strength. The teeth offset provide better chain alignment and reduce wear. 23.8mm bore with 19mm and 22mm adapters included.

• Teeth: 1/8"
• Bore: 23.8 mm (15/16")
• Thickness: 8mm
• Adapters: 19mm and 22mm included
• Material: 7075-T6 aluminum
• Weight: 67grams;