Synapse Carbon 4 Size:44 cm They feature a protective toe

They feature a protective toe cap

You don’t just run

Designed to add resistance during your swim

pushing through a bike race

Pack size: 40 cm

Synapse Carbon 4 Size:44 cm They feature a protective toeGo long, go short, go fast. This is WorldTour performance for real world rides. Wireless brains meet all road brawn. Synapse Carbon 4 runs Shimano 105 Di2 for a shifting experience that feels straight off the pro tour, minus the bank loan. The frame delivers that signature Synapse ridequietly fast, endlessly composedand plays nice with wide tires, fenders, and long days. Call it the sweet spot between Sunday speed and weekday practicality. What it's