Topeak SmartHead Presta/Schrader Valve Upgrade 38" Hose Retrofits Most Pumps Model=Pressure Over Drive Floor Pump DUB bottom bracket adds durability

DUB bottom bracket adds durability

Front to back reversible

}SRAM 11-Speed 36T 110mm BCD YAW Chainring Black Use with 46 or 52T

Spoke Interface J-Bend Skewer Included No Defined Color Black Rear Axle 12mm Thru x 148mm Hub Drilling 32 Bearing Type Sealed Cartridge Color Black Hub/Brake Compatibility 6-Bolt Disc Cassette Body Type Shimano Micro Spline

Topeak SmartHead Presta/Schrader Valve Upgrade 38" Hose Retrofits Most Pumps Model=Pressure Over Drive Floor Pump DUB bottom bracket adds durabilityTopeak SmartHead Presta Schrader Valve Upgrade with 38" Hose: Retrofits Most Pumps. Topeak Pump replacement parts and accessories.