![RENTHAL REAR SPROCKET MX ULTRALIGHT GROOVED SIL 55T (191U-420-55GESI) [ONC01] # Air Ride suspension * Quieter baffles produce a](https://cdn.shopify.com/s/files/1/0946/2320/3647/files/191U42055G.jpg?v=1776397982)
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* Quieter baffles produce a more subdued sound
with all the features you want in a comfortable helmet
custom edge to your bike’s appearance
commuting with swag or showing up at your next event
RENTHAL REAR SPROCKET MX ULTRALIGHT GROOVED SIL 55T (191U-420-55GESI) [ONC01] # Air Ride suspension * Quieter baffles produce aUltralight Rear Chainwheels Renthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer. With Renthal's combination of high strength base material, cutting edge manufacturing methods and exceptional hardwearing surface