RDK RACING RD900S 700C Professional Road Bike Wheels, 8,9,10 speed SRAM/SHIMANO compatible, QR Wheels, sealed bearings, 20 Spokes front wheel, 24 spokes rear wheel. Black hubs, black rims, black stainless steel “la pierre” spokes, rims have cnc braking surface These wheels are hand made and hand pre-stressed & trued by craftsmen Triple sealed bearings rear hub, double sealed bearings front hub, Manufactured in the same factory that produces FULCRUM / REYNOLDS / VITTORIA and MAVIC wheels!! Made to the same / higher standards by the same people These wheels use many unbranded parts identical to / better than components used by FULCRUM / MAVIC / VITTORIA / REYNOLDS, / to the same / higher specification. Deep Double Wall V-section RDK Alloy 6061 T6 Rims. 22mm WIDTH RIM, 16.8mm INTERNAL RIM WIDTH, 20 Spokes front wheel, 24 spokes rear wheel SRAM, SHIMANO 8/9/10 SPEED ROAD CASSETTE COMPATIBLE! WE ARE A LARGE IMPORTER OF CYCLES AND CYCLE PARTS FROM OUR OWN FACTORY IN TAIWAN, CYCLE PARTS INCLUDING PROMAX PARTS, THE 2 OWNERS HAVE A COMBINED EXPERIANCE IN THE INDUSTRY OF MORE THAN 40 YEARS, WE HAVE A 15,000 SQ FEET WAREHOUSE FULLY STOCKED. You can send us a message by using the “Questions and answers” section towards the bottom of the page.