Trialtech Heavy Duty sprocket

System: Shimano HG

• Toughest sprocket from Trialtech for the HG system
• Made from high quality hardened cr-mo steel, CNC machined for perfect finish
• Laser etched Trialtech logos
• 17T and 18T feature weight saving holes which make these sprockets only marginally heavier than the 16T
• 4.5mm wide base
• Compatible with 3/32" and 1/8" chains
• 15T and 16T come in black finish