including pulley wheels

The Flowline Helmet features a combination of comfort

it's likely coming from the tiny gaps around under your seat clamp

Short 32mm stack heightWide 55mm faceplate for increased stiffness with wide handlebars

Burgtec Seat Clamp - 39.7mm - Rhodium Silver PDP|PLP|Suits Freehub Type including pulley wheelsEffortlessly subtle and minimal design to keep your seat post secure and add the perfect last splash of colour to your build. No edge left unsmoothed, and no detail overlooked, even the split in the back has been machined wide enough so you don't need to detach your dropper cable which makes installation a breeze. A stainless steel bolt gives reliable clamping power and ensures no rust even in the grimmest conditions. Features Stainless Steel Hardware