EN821 UST disc 32 hole rim, black anodised

• The most technically advanced MTB rim Mavic have ever produced
• Designed specifically for the demands of big mountain Enduro racing where wheels need to be strong and wide to handle severe terrain and high volume tyres, but light enough for the long distance transition stages
• In Enduro you are not allowed to switch components during an event, placing an unique combination of demands on a rim: it must be tough, wide, stiff, and strong enough to go the distance, but light enough to give the rider a crucial speed advantage
• To achieve this Mavic have used their full suite of rim technologies to create the EN821
• ISM Machining between the spoke holes removes material wherever possible for maximum strength to weight
• Maxtal alloy is 30% stronger than 6061 without any extra weight
• SUP rim has a stronger arc-welded joint which is then milled to form a massively strong but invisible join
• FORE technology resists fatigue and strengthens rim by not requiring holes to be drilled in the rim bed
• Black anodised finish to reduce wear and corrosion
• Supplied with UST nipple cups and UST Valve

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