12-speed Black finish with gold highlights
Precision made in Germany using long-lasting, heat-treated steel with a corrosion-resistant, industry-proven Ultra-Black coating and Golden brass highlights.
100% industry proven, the Ultra-Black Coating on the plates of this chain ensures optimal corrosion protection. In combination with the gold coloured Power Pins and Rollers, the 12SB looks fabulous.
Specially developed to meet the requirements of the latest generation of high-performance shifting systems*. The optimised geometry of the inner link lends the chain exceptional wear properties. The Connex Speed Wing link shifting performance on current 12-speed shifting systems is extremely fast and quiet. 
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.
For Flattop use – please see the Connex 12SR chains (Ison code CHCX12SR26)
 
Link count: 126
Weight: 285 g
Colour: Black with Gold highlights
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 highest resistance to wear and maximum strength
 
Technical details
Measurement: 1/2" x 1 1/128"
Pin length: 5,60mm
Width interior: 2,20mm
Pressure: 2000 N
Pin hardening: XHB