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.

Features:

• 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