Maximum ventilation: Equipped with a large upper air intake that ensures maximum ventilation and comfort under hot driving conditions

thanks to the universal attachment method that fits handles with an inner diameter of 12 to 22 mm

Inner diameter: 61

Made of 8mm Thick High-Density Polyethylene Plastic

JT SPROCKETS Steel Standard Front Sprocket 1257 - 428 JTF1257.15 piaggio-zip-100-4t--m252--100-2010-esi4611876 Maximum ventilation: Equipped with aWith the Leading Edge Edge Technology and Using Only the Highest Grade of Special Steel Alloys, JT Sprock's Produce A Full Range of Superior Quality Motorcycle Front and Reary Sprocks. Optimal Lightweight Design CNC Machined for Performance and Lifespanspanspanspans in Steel Alloy SMC420 With High Wear Resistance Chain_pitch: 428. 0 Front_Prolet_type: 1257 Front_Prolet_version: Standard Material: Steel: Steel