INNER RIM WIDTH (CHANNEL):21MM. TYRE WIDTH:From 23 mm to 50 mm.
HUB:36T RATCHET ENGAGMENT DRIVER. FRONT WHEEL SPOKES: 24, (12 left - 12 right). REAR WHEEL SPOKES:24, (12 left - 12 right).
SPOKES: Stainless steel, double butted, PA 1423, PSR TB 2015. SPOKES-PROFILE:AERO or Double Butted. FRONT HUB:Aluminum, Aluminium flange, 6 PAWL SYSTEM. REAR HUB:Aluminum, Aluminium flange, 6 PAWL SYSTEM.
WEIGHT LIMIT :125 kg (rider, bike, equipment and luggage). WEIGHT:40MM--1395g;50mm-1580g (PSR TB 2015).Also, the each additional item means exactly the the same color and size. If you have any questions.