EVOC Terminal Bag 40+20 27.5" The internal mechanism utilizes a

The internal mechanism utilizes a sealed cup-and-cone bearing system for smooth rotation and pedaling efficiency

better sealing against contamination and forward and backward compatibility

SRAM Model ID: GS-1987-E-A1

so you will never puncture it

EVOC Terminal Bag 40+20 27.5" The internal mechanism utilizes aDetachable daypack Telescopic handle Skate wheel, replaceable Carry on luggage size for air travel (excluding daypack) Extralight, stable EVA bottom construction Attributes Bag Dimensions in cm 56x38x(22+15) Bag Dimensions in inches 22x15x(8. 7+5. 9) Bag Material Deniers Polyester Volume Range 41 60L Waterproof Water repellent