ZIPP 404 Firecrest Clincher Set Weight 1690g Max recommended rider weight 250lbs Front Wheel Weight 755g Hub Used 77 Rim Depth 58mm Brake Track Width (center) 24.73mm Max Width 26.53mm Clincher Bead Width 16.25mm Spokes Sapim® CX-Sprint Spoke Count 18 Spoke Pattern Radial Spoke Length 248mm Max Tire Pressure 125psi Max Tire Pressure 8.62bars Track Adaptable No Dimpled Surface Yes Nipples Sapim® External Nipples Yes Rear Wheel Weight 935g Hub Used 177 Rim Depth 58mm Brake Track Width (center) 24.73mm Max Width 26.53mm Clincher Bead Width 16.25mm Spokes Sapim® CX-Sprint Spoke Count 24 Spoke Length Non-Drive 260mm Spoke Pattern Non-Drive 2 cross Spoke Pattern Drive 2 cross Spoke Length Drive 258mm Max Tire Pressure 125psi Max Tire Pressure 8.62 bars 11-speed compatible hub Yes Track Adaptable No Dimpled Surface Yes Nipples Sapim® External Nipples Yes ZIPP 404 Firecrest Tubular Set Weight 1505g Max recommended rider weight 250lbs Front Wheel Weight 665g Hub Used 77 Rim Depth 58mm Brake Track Width (center) 25.34mm Max Width 26.53mm Spokes Sapim® CX-Sprint Spoke Count 18 Spoke Pattern Radial Spoke Length 248mm Max Tire Pressure 125psi Max Tire Pressure 8.62bars Track Adaptable No Dimpled Surface Yes Nipples Sapim® External Nipples Yes Rear Wheel Weight 840g Hub Used 177 Rim Depth 58mm Brake Track Width (center) 25.34mm Max Width 26.53mm Spokes Sapim® CX-Sprint Spoke Count 24 Spoke Length Non-Drive 260mm Spoke Pattern Non-Drive 2 cross Spoke Pattern Drive 2 cross Spoke Length Drive 258mm Max Tire Pressure 125psi Max Tire Pressure 8.62bars 11-speed compatible hub Yes Track Adaptable No Dimpled Surface Yes Nipples Sapim® Secure Lock External Nipples Yes ZIPP 404 NSW Set Weight 1555g Max recommended rider weight (lbs) 250lbs Front Wheel Weight 705g Rim Used X58NSW Hub Used Cognition Rim Depth 58mm Brake Track Width (center) 26.4mm Max Width 27.8mm Internal Width 17.25mm Spokes Sapim® CX-Ray Spoke Count 18 Spoke Pattern Radial Spoke Length 246mm Max Tire Pressure 125psi Max Tire Pressure 8.62bars Track Adaptable No Dimpled Surface ABLC™ SawTooth™ Technology Nipples Sapim® secure-lock External Nipples Yes Rear Wheel Weight 850g Hub Used Cognition Rim Used X58NSW Rim Depth 58mm Brake Track Width (center) 26.4mm Internal Width 17.25mm Spokes Sapim® CX-Ray Spoke Count 24 Spoke Length Non-Drive 256mm Spoke Pattern Non-Drive 2 Cross Spoke Pattern Drive 2 Cross Spoke Length Drive 258mm Max Tire Pressure 125psi Max Tire Pressure 8.62bars 11-speed compatible hub Yes XDR Compatible Yes Track Adaptable No Dimpled Surface ABLC™ SawTooth™ Technology Nipples Sapim® secure-lock alloy External Nipples Yes