BBB Cycling BCR-31S CompactGear Shimano Compact Sram 9/10 110 PCD Small Chainring - 39T Black carpe has a shape that's as

has a shape that's as aerodynamic as our current understanding allows

for front and rear wheels

enhances the aesthetics to bring a clean transition from the head tube to the stem

aero-specific rims that cost twice as much

BBB Cycling BCR-31S CompactGear Shimano Compact Sram 9/10 110 PCD Small Chainring - 39T Black carpe has a shape that's asBBB Cycling BCR 31S CompactGear Shimano Compact Sram 9 10 110 PCD Small Chainring 39T Black Compact but not less powerful Compact but not less strong! The CompactGear is perfect to keep your bike lighweight to transfer all your power into speed. The lightweight 7075 T6 aluminium is strong and stiff to make sure it can control your power so you can finish every climb on your bike. Are your legs ready for the next hill? Your chainring definitely is!