Fox Flexair Merino 6 Inch Socks - L-XL - Bark PDP|PLP|Rail Material More than a mechanical derailleur

More than a mechanical derailleur with a battery and a motor bolted on

with a foolproof design that made it easy to fill up and hit the trail

sealed bearings in press-fit

Compatibility: Compatible with popular 16 notch 44mm OD bottom brackets such as:

Fox Flexair Merino 6 Inch Socks - L-XL - Bark PDP|PLP|Rail Material More than a mechanical derailleurA lightweight, breathable merino wool sock designed for all day riding comfort Features: Mesh zones provide added breathability Compression arch support for superior fit and comfort Rib knit upper wont slide down when the trail gets rough Flat stitch toe construction offers improved comfort Materials: 59% Merino Wool 25% Polyamide Nylon 12% Polyester 4% Elastane