Samix MST CFX-W Brass Portal Knuckle Cover (2)

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The Samix MST CFX-W Brass Portal Knuckle Covers weigh 20 grams each, and add much needed unsprung weight to the MST CFX-W axles for improved climbing performance. The machined brass material is more durable than the stock plastic cover and the black finish with chamferred edges helps to give the parts a subtle touch of bling, without excess flash. 


  • Brass portal knuckle cover adds 40g a pair, to improve climb performance greater stability and lower CG
  • Make of high quality brass material (with black coating can avoid oxidation)
  • More rigid and increased durability
  • Direct fit on CFX-W front & rear knuckle

This product was added to our catalog on November 21, 2017

toby reams
Thursday, Feb 8 2018 (7 months ago)
Samix MST CFX-W Brass Portal Knuckle Cover (2)
Other than the weight, these are no upgrade. They do away with 2 bearings in the portal assembly. I can't believe this crap, WTF!