The 12sG WAX Chain 126L is a high-performance 12-speed bicycle chain engineered for smooth, quiet shifting and long-lasting reliability. Finished with a premium wax treatment, this chain delivers exceptional drivetrain efficiency by reducing friction and repelling contaminants — helping keep your drivetrain cleaner and extending service life.

Designed with precision-machined links and optimized geometry, the 12sG WAX Chain provides crisp, responsive shifting under load, making it ideal for mountain, gravel, adventure, and road bikes running 12-speed drivetrains. The 126-link length offers versatile fitment options, and Connex’s reliable quality ensures solid performance in a wide range of riding conditions.

Supplied with the exclusive, re-usable, tool-free Connex QR joining link.

Compatible with all bicycle 12-speed gear systems except SRAM's ‘FlatTop' 12-speed.

• Link count: 126
• Weight: 285 g
• Colour: Gold (Brass)

Innovative bike engineering from Germany since 1893

Those who expect the highest performance will find no alternative to Connex chains:

The optimised geometry of the plates enables extremely rapid and virtually silent gear changes.

Highly developed Peripheral chamfering of the outer plate ensures optimum gear-changing performance. Innovative radial riveting of the pins, combined with a special pin coating, guarantees top performance and long wear, even under the high forces of cross gearing.

SPEED WING

Optimised plate design for rapid and quiet gear changes.

DIAMOND SHAPE

Innovative chamfering of the outer plate for quick and precise gear-changing and optimal chain guide

POWER PIN

Innovative radial riveting and pins with an extremely wear-resistant surface for the highest resistance to wear and maximum strength

Technical details

• Measurement: 1/2" x 11/128"
• Pin length: 5.5mm
• Width interior: 2.2mm
• Pressure: 2000 N
• Pin hardening: XHB