Topeak Aero Wedge Seat Bag - Strap-on Medium Black Deviant 81mm between the two vertical

81mm between the two vertical plates

The continuous center line maintains fast-rolling contact and its offset extensions are siped to multiply the number of leading and trailing edges propelling you up the trail on climbs and increasing bite while braking

Interlok® spacer compatible (Sold Separately) Lower Stack Height 4 Material Steel Upper Stack Height 8 S

5 modes including 4 steady brightness levels and flashing mode

Topeak Aero Wedge Seat Bag - Strap-on Medium Black Deviant 81mm between the two verticalThe aerodynamic wedge shape lets these under seat bags slip easily through the wind while the internal pockets keep tools away from inner tubes and other delicate items. Weather resistant covered zippers keep contents dry 1000 denier Cordura Plus Fitting for taillight 3M reflective strip for increased nighttime visibility Medium: 7. 5" x 3. 7" x 3. 9" Large: 9. 1" x 5. 1" x 5. 5" Total Volume 60 80 Color Black Waterproof No Weight 130 Defined Color