DUKE Sierra 27 Climber Wheelset Hub:Tune Nano Narrow bars

Narrow bars

complemented by a silver-augmented higher density lumbar panel

making it our rubber of choice for setting out at speed on the tarmac

All the way down to the center

DUKE Sierra 27 Climber Wheelset Hub:Tune Nano Narrow barsEvery wheel brand claims their gravel range "climbs well." DUKE built one that actually commits to it. The Sierra 27 is the light end of the new Sierra family from the French operation that has been hand building wheels for 18 years: a 280 gram, 27mm deep rim in Toray T1100 carbon, laid up with the SLR5 process DUKE developed for its most advanced mountain bike rims. Built on DUKE's Mad Max hubs, the pair starts at 1,099 grams a number that used to