Norland Cycles Stealth Rider Prototype DH Bike 1

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Norland Cycles Stealth Rider Prototype DH Bike - 2014 Downhill Bikes at Eurobike 2013 - Mountain Biking Pictures - Vital MTB

He set out to redesign the double chain system to make it lighter, more compatible with cranksets, and easier to service. You need to remove only one bolt and you can open it to grease or replace the bearing, without needing to disassemble the pivot axle or remove the swingarm. The prototype double chain system adds less than 300 grams, and the next versions should be even lighter. The complete bike as pictured weighs 19kg.

Credit: Turman
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1 comment
  • Daniel_Layton

    10/18/2013 11:40 AM

    The eccentric bottom bracket is a great way to achieve chain tension the above drive wheel but is it worth the weight penalty. I'm thinking that a simple blackspire stinger chain tensioner would do the job (not as cleanly) with less manufacturing difficulty and would be more acceptable to the consumer. Just a thought