Welcome to the Derby Rims store

        Open Derby Rims web site at: www.DerbyRims.com



    Material: UD carbon-fiber

    Spoke holes: 32, 28 Mountain. 32, 28, 24 CX/Gravel, RD/Road-Disc (All are normally in stock)

    Spoke hole size: Outside 4.5mm (for external nipples), Inside nipple access hole 8mm

    Spoke hole alignment: Rim centered, All rims have spoke holes right-angled 8-degrees towards hub flanges. Key/First spoke: Stand up the rim vertical as if ready to roll forward, with valve hole at the ground. Looking down at the valve hole, the 1st spoke hole forward of the valve hole angles to the right-side hub flange, next spoke hole forward angles to the left side hub flange, etc.


    Depth: 31mm Mountain. 32.5mm CX/Gravel, RD/Road-Disc

    Presta valve hole, required length: 48mm valves are recommended

    Recommended max spoke tension: 125KgF road/XC/Trail rims, and 135KgF for Enduro/DH rims

    Recommended rider weight limits: 200 lbs / 90kg (XC), 220 lbs 100Kg (TRail), 245 lbs 120Kg (DH, and road/XC rims BX, CX, RD)

    Max tire pressure (mountain) : 40 psi (for road commute use); 28 psi (trail use); Enduro and DH race/park/shuttle: 32 psi, ProCore psi: 65 psi maximum

    Max tire pressure (BX/CX Hookless Gravel tubeless-ready tires only) : 75 psi (for road commute use)

    Max tire pressure (RD/Road-Disc Hooked with clincher tires w/tubes and tubeless-ready tires) : 125 psi (for road use)

    Minimum tire pressure (35mm and 40mm rims):                     
     XC hard-pack/gravely: psi = ( 10% x [rider+bike in lbs] );                 
     Trail (rocky trail): psi =  XC psi calculated + 2 - 4 psi         
     Enduro, DH: psi = XC psi calculated + 10 psi

    Minimum tire pressure (CX/Gravel,RD/Road-Disc and RC/Road-Canti rims):                      
     75psi - 25mm to 30mm road tires                      
     35psi - 33mm to 47mm tires                      
     25psi - mountain XC tires (140 lb rider) 

    Tubeless rim tape width (recommended center channel sealing only): 14mm wide for 22i, 25i, 30i Derby rims; 20mm for 35i and 40i Derby rims