Onyx Pro ISO Rear Hub 28h-10mm Color:Black The MCS Chainring-4-Bolt at J&R

The MCS Chainring-4-Bolt at J&R Bicycles is made from CNC machined aluminum alloy to keep it durable without weighing much while providing consistent tension

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The Avian Carbon Pivotal seat post features a full carbon post with alloy Pivotal seat mount

Machine Washable

Here are a few key points to the Elite 15/20mm hub:

Onyx Pro ISO Rear Hub 28h-10mm Color:Black The MCS Chainring-4-Bolt at J&RThe Onyx Pro Rear ISO Rear Hub at J&R Bicycles comes standard with ceramic hybrid bearings, titanium bolts and is equipped with a Shimano Hyperglide driver. This hub offers instant, silent engagement and is nearly frictionless. For use with any Shimano compatible cogs (sold separately). Specifications: Weight: 14. 8oz 420g Dimensions Approximate for Shipping: 9. 5 4. 5 4 in Hub Type: Rear Axle Width mm: 110 Axle Diameter mm: 10 Spoke Count: 28 Attach