SRAM DUB Road Bottom Bracket bikebox Impero uses a 19mm diameter

Impero uses a 19mm diameter leather piston custom manufactured by the same supplier in Milan who has supplied SILCA leather since 1947

all headsets in our product line were meticulously designed to have interchangeable parts

247g (114 links)

Available as 35 pieces (retail kit)

SRAM DUB Road Bottom Bracket bikebox Impero uses a 19mm diameterThe SRAM DUB Bottom Bracket series has a simple job connect your crank arms and protect the smooth, long lasting application of power to your drivetrain. To allow that singular focus, SRAM engineered the DUB spindle to be the one true unifying component: one oversized spindle to work across every bottom bracket standard, for better crank arm compatibility, better protection from the elements, and longer lasting performance. Stronger, smoother,