Renthal Steel Standard 307A - 520 Output sprocketRef : RT00043A / 1074213001

Renthal 307A - Steel Sprocket 13 Teeth (307A-520-13P)
Renthal transmission sprocket designed for motocross and competition. Precisely machined, this 307A sprocket made of alloy steel (nickel-chrome-molybdenum) offers a good balance between strength and reduced weight to limit friction losses and effectively transmit torque to the rear wheel.

• Type: 307A sprocket, standard version
• Material: alloy steel (nickel-chrome-molybdenum)
• Teeth: 13 teeth
• Chain pitch: 520
• Designed to limit wear and improve transmission efficiency compared to stock components
• Recommended for competition and riders seeking a robust and precise part

Ideal for motocross setups where gearing and transmission reliability are crucial. This sprocket fits perfectly with 520 chains and is compatible with listed motorcycles, including several TM RACING 125 models (EN and MX) from 2015–2017. Simple installation as a direct replacement for the stock sprocket; however, please check the spacing and compatibility model by model before installation.