27 Reacto 4000 S3-Colour-Rose EVA has a closed cell

EVA has a closed cell structure that cannot absorb any sealant

TLR and Hookless Compatible

Flat back waistband

2mm seatpost to a larger diameter seat tube

27 Reacto 4000 S3-Colour-Rose EVA has a closed cellThe perfect entry to our aero bike range. The REACTO 4000 uses exactly the same super aero frame shape as our top level models, but by combining our lightweight CF3 carbon frame with high value components, we've created a bike with performance that puts more expensive machines to shame. Using the utterly reliable Shimano 105 groupset with hydraulic disc brakes and some choice components, it's ready to ride and race from the box, as well as being a