Sturmey archer Drum Brake Parts Front/Rear HSB-516 90mm ModelNumber=K5191 Sizes 38T and 42T are

Sizes 38T and 42T are non-aero

}RockShox DebonAir C1 Air Spring Upgrade Kit - 150mm Fits Lyrik/Yari A1+ (2016+)

Axle Type 12mm TA Freehub Body Shimano Micro Spline Hub Drilling 32H Hub Spacing 148mm Hub Spoke Type J-bend Position Rear Primary Color Pink Rotor Mount 6-bolts

but they will be safe with these discreet protection points

Number of Chainrings No Rings No Spider IncludedDrivetrain Speeds 12Drivetrain Speeds 13Chainring BCD Direct Mount SRAM 8-BoltChainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm ChainstayColor CarbonCrank Length (mm) 160Crank Intended Use RoadCrank Intended Use GravelBB Included NoPedal Spindle 9/16"Spindle Interface Type SRAM DUBDefined Color Carbon

Sturmey archer Drum Brake Parts Front/Rear HSB-516 90mm ModelNumber=K5191 Sizes 38T and 42T areReplacement small parts for Sturmey Archer hubs TECH SPECS Vendor Sturmey archer Manufacture Number HSB516. 0001. 0P Model Name Drum Brake Parts Category Hubs