Contec C.Bolt Bottom Bracket Bolt 4-Side For. Crank/Cranker

For over ten years Contec has embodied more than simply cycling.
Contec stands for pure passion, for honest technology with maximum performance that looks good, doesn't cost a fortune and still manages to provide you with great experiences time and time again.
Through high-quality materials, anatomical and functional design, and colors that are perfectly coordinated. 
Bicycle components in the Contec Classic Exclusiv collection - bicycle saddles, saddle bags, grips - are functional, ergonomically sound and the perfect equipment for a classy bike ride.
The Contec Stereo Components BRUT Select collection offers first-rate components made of exceptionally robust 6061 aluminum.
Seatposts, handlebars and stems from the BRUT collection are perfect for challenging cycling adventures. 
These bike components by Contec are available in a diversity of colors and can be supplemented with various accessories that let you adapt your bicycle to your taste and style. 
The Contec Neo collection consists of stylish and practical water bottles, bicycle lights, grips, locks, and much more.
Aside from various practical hand tools, Contec also offers a wide choice in tires:
Economy, urban, puncture proof, e-bike, special tires for special jobs, children's bicycle tires, road bike tires and MTB tires.
In other words, bicycle tires with special Contec technology.
Contec, for all your professional bicycle components.