Pinion gear adapter and G3C Chain Tensioner

The tension  is totally brute

The Chain tensioner with its build-in absorption minimizes chain beats and avoids chain dropping reliable.

The chain enlacement is infinitely adjustable

Lock pin for easy assembly disassembly of the rear wheel

Infinitely adjustable alignment according to the sprocket (setting range 18 mm)

The chain tensioner, the SB ONE-Sprocket-Spacer-Kit are coordinated well to each other

Encapsulated clamping system (torsion spring can not pollute and not stagnate)

Easy assembly on the derailleur hanger.

Special mounting system ensures a secure hold of the chain tensioner on the derailleur hanger

High-strength Al alloys such as EN AW-7075 T6 make the construction particularly durable and robust

For standard HG hubs