Rear Sprocket – JT 42T 525

A premium JT Sprockets rear sprocket, computer-designed to achieve ultimate strength while maintaining minimum weight. As one of the most popular sprockets on the motorcycle market, it is manufactured from high-grade C45 high-carbon steel, which offers exceptional durability and resistance to friction and heavy loads.
 

Key Features:

• Premium Materials: The use of C45 high-carbon steel ensures that the sprocket lasts significantly longer than standard alternatives.

• Special Treatment: The sprocket is heat-treated and bead-blasted. This process reduces material surface tension and ensures smooth chain operation.

• Maximum Precision: JT products meet or exceed the highest quality standards set for the motorcycle industry, ensuring perfect compatibility with the drive system.

• Strength and Lightness: Advanced computer-aided design allows for the removal of excess weight without sacrificing the structural integrity of the part.

Technical Data:

• Manufacturer: JT SPROCKETS

• Manufacturer Code: JTR3.42

• Tooth Count: 42

• Chain Size: 525

• Material: C45 high-carbon steel

• Mounting Position: Rear

• Important Note: This model is designed for mounting with 10.5 mm bolts.

Who is it for?

• BMW F-Series Owners: For those seeking a reliable component to ensure smooth power transfer to the rear wheel.

• Off-Road Travelers: For riders who value high-carbon steel's resistance to dirt, sand, and harsh environments.

• Mechanics and Enthusiasts: For those who appreciate the flawless precision and easy installation of JT components.

Designed to Fit:

BMW

• F 650 GS (800cc) Twin / Special Edition / ABS: 2008–2012

• F 700 GS ABS: 2013–2017

• F 800 GS / Adventure / Trophy / Triple Black / ABS: 2008–2019

• F 800 GT ABS: 2013–2018

• F 800 R / ABS / Chris Pfeiffer Edition: 2009–2020

• F 800 S / ABS: 2008–2010

• F 800 ST / ABS: 2008–2012