Spank Spike 160 Saddle - Black/Blue Dirt Works the FR-2 features a 1"

the FR-2 features a 1" tool fitting for use with an adjustable wrench

Thanks to the special IAV Power System

ribbed surface texture

Optimized design to ensure perfect interaction with the profile of the sprocket and chainring teeth: every detail has been studied to ensure smoothness

and the ability to switch the rear shifter to friction mode

Spank Spike 160 Saddle - Black/Blue Dirt Works the FR-2 features a 1"Spank Spike 160 Saddle Black Features Race Inspired Minimal Profile Design With A Firm And Supportive UpperSmooth Surface Contour And Outer Edges Maximize Maneuverability And Reduce Snagging On ShortsAdaptive Edges In High Friction Areas Contour To The Riders Shape And MovementCo Molded Construction With Reinforced Impact Zones And Tuned Flex PointsLow Friction Synthetic Skin With Anti Slip Zones Specificatios Material Upper: 3D Co Molded Foam And