Sturmey archer Drum Brake Parts Front/Rear HSB-516 90mm Aluminum 1 RC2 W/ButterCups Damping Adjustments Chainring Size:50/34T 9.1x17.3x2.4 TR7412 SRAM Force Crankset 160mm

Sturmey archer Drum Brake Parts Front Rear HSB 516 90mm Aluminum 1 RC2 W ButterCups Damping Adjustments Chainring Size:50 34T 9.1x17.3x2.4 TR7412 SRAM Force Crankset 160mm 1 RC2 W ButterCups Damping Adjustments External begin stroke rebound low speed compression high speed compression Lower Tubes Material Magnesium Rake 37mm e Bike approved Yes Travel 150mm Steerer Tube Material Aluminum Axle Hub spacing 15x110mm TA Spring Adjustments Air pressure Bottomless tokens Stanchions Material Aluminum Maximum Rotor Size 220mm Maximum Tire Width 81mm Spring Type DebonAir+ W ButterCups Wheel Diameter 27 In combination with the right wheel you can run tubeless tires for cyclo cross with extremely low air pressures without fear of "Burping" (unwanted air leakage)