DUKE Sierra Æra W48/56 Wheelset eeBrakes combined with custom-formed tubes designed

combined with custom-formed tubes designed to meet the air at every angle and smooth transitions between sections

you can use any stem or handlebar

descending with confidence

Assos simplified the strap layout on this one

secure a saddle

DUKE Sierra Æra W48/56 Wheelset eeBrakes combined with custom-formed tubes designedGravel racing has quietly become a discipline where the front of the field averages speeds that would have been respectable in a road race a decade ago, and DUKE the small French operation that has been hand building wheels for 18 years has built its answer. The Sierra ra W48 56 is the fast end of their new gravel range: a 48mm deep Wide front paired with a 56mm rear, both laid up in Toray T1100 carbon using the same SLR5 process that underpins DUKE's