MKS Track Chain Tensioners: For 10mm Axle MFPN=RD-106-520 } Replacement and conversion freehub

} Replacement and conversion freehub bodies

Misc 114mm (37

While it’s perfect for staying planted in one spot the short length low-profile padding and rounded tail make it easy to move around when riding out of the saddle

Optimized for use 14°F (-10°C) and warmer

MKS Track Chain Tensioners: For 10mm Axle MFPN=RD-106-520 } Replacement and conversion freehubMKS Track chain tensioners perfect for adjusting chain tension on your fixed gear or single speed bike. Includes two tensioners Made of cast Stainless Steel using the lost wax method JIS certified compatible with hub axles diameter of 10 mm and smaller and a maximum drop out thickness of 5 mm Color Gray