Alex AT490 / Shimano Tiagra RS400 700c Front Bells The Butterfly Andrzej Grubba is

The Butterfly Andrzej Grubba is a flexible blade named after one of the world's most dynamic players

its Full Mount attachment method creates a far stronger connection that grips both sides of the frame

FIT™ SYSTEM

Easily accessible rear pockets

Eagle™ PowerLock® chain connector with FLOW LINK™ technology provides better chain-guiding and increased longevity

Alex AT490 / Shimano Tiagra RS400 700c Front Bells The Butterfly Andrzej Grubba isRims: Alex AT490 700C ETRTO 622 17 External width: 22mm Inner width: 17mm Profile height: 24mm CSW Machined Sidewall TRS Tubeless Compatible For Presta valve 32 holes Front hub: Shimano Tiagra HB RS400 9x100mm Polished angular contact bearings Contact sealed hub Quick Release Binder (Internal Cam) included