Shimano BB-ES300 Bottom Bracket Puncture_Repair while the flagged bristle tips

while the flagged bristle tips create thick lathery loamfoamy goodness

The inner diameter of your steerer tube must be at least 24

with its gravel specific ergonomics

Smooth to avoid mud sticking whilst also having a tacky feel to keep your hands just where you want them

Popular amongst both performance orientated riders and those just looking for something a little different

Shimano BB-ES300 Bottom Bracket Puncture_Repair while the flagged bristle tipsShimano BB ES300 Bottom Bracket Splined bottom bracket for use with Shimano Octalink chainsets. Features: Oversize BB spindle large 22 mm diameter hollow cold forged chrome moly pipe billet spindle reduces weight, increases strength and rigidity Octalink splined axle crank arm interface results in more rigid crank assembly compared to square tapered spindle Sealed cartridge assembly with oversize ball bearings maintenance free high efficiency rubber