Lezyne 9 Piece Hex Kit PDP|Colour Another benefit of the parallelogram

Another benefit of the parallelogram only moving horizontally is that if you do hit the derailleur on an obstacle

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Pros: Large diameter

What does it suit: To suit SRAM X5 rear derailleurs

Pros: Super lightweight with great airflow

Lezyne 9 Piece Hex Kit PDP|Colour Another benefit of the parallelogramThese shop quality Allen keys are constructed from hard chrome vanadium steel and treated with a chrome finish for durability. Each tool is precision made for the best closest possible tolerance, and they have a ball end tip for convenience when working at low torque. The tool holder folds open for easy access and has built in holes so you can hang it up for a clutter free benchtop. Who's this item for: This kit is great for the home mechanic looking