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Isaac Proton / Proton Di2

Isaac Proton / Proton Di2
A la carte

Create your own perfect bike with our ‘a la carte’ program if you want something more personal. A preselected choice in groups, wheels, saddles and other bike components are available. Ask your Isaac dealer for the ‘a la carte’ program.

Complete bike

We build complete bikes with groupsets and parts in line with the most asked combinations. We call it: PERFORMANCE COMBINATION.


Choose the heart of your bike and create your own. For those who are aiming for complete personal perfection.

I am Isaac Proton / Proton Di2

A winner. The perfect combination between stiffness, weight and efficiency.
Its frame is elegant, powerful and made of extremely stiff Isaac Nano Quad Carbon. So please beware.
Its ride is mighty, sharp and fast.

Price complete bike: € 3.780,00 / € 4.280,00 (Di2)

Price frame: € 2.380,00

Recommended consumer price in EURO incl. 21% VAT

Bike Specifications
Group: Shimano Ultegra 6700 Grey/Shimano
Ultegra 6770 Grey (Di2)
Crankset: COMPACT 34-50
Cassette: 12-25
Wheel set: FFWD F4R
Tires: Continental GP4000 S
Tubes: Continental
Saddle: Selle Italia SLR XP
Handlebar tape: Isaac
Handlebar: Ritchey WCS Curve Wet Black
Stem: Ritchey WCS 4-AXIS 44 BB Black

Weight (indication) 56: 7.3 kg
Rider weight limit: 115 kg

Isaac Black Glossy (picture shows Limited Edition, only available in size 56)