PBR Steel Standard 2103 - 520 Gearbox output pinionRef : PBR00663A / 1077568001

Designed for Cross practice and based on experience gained in competition, the PBR standard steel sprocket 2103 - 520 offers a robust and direct solution for driving your rear wheel. Its design incorporates the demands of racing teams while remaining suitable for stock settings or off-road preparations.

• Brand: PBR
• Manufacturer reference: 2103 13 18NC
• Type / version: Sprocket 2103, standard version
• Material: 18NCD5 steel alloy
• Number of teeth: 13 teeth
• Chain pitch: 520

The 18NCD5 steel alloy used by PBR offers excellent resistance to corrosion and abrasion, suitable for the stresses of muddy and dusty environments encountered in off-road conditions. Its finish and strict manufacturing control limit the roughness of the teeth for better interaction with the chain, contributing to reduced friction and a more linear behavior of the transmission.

Frequent compatibilities (examples):

• YAMAHA YZ 250 F (2026 - 250 cm³)
• FANTIC XX 125 (2022 - 125 cm³)
• GAS GAS EC 300 F (2015 - 300 cm³)

PBR presents here a sprocket that is easy to install, designed for riders seeking durability and consistent tooth performance on their Cross bike.