The Orra Terra C is a very versatile gravel bike with 700c tires.
Testers are pleased that riders are offered the choice between a 1x or 2x drivetrain.
The Terra C's frame is constructed of high-quality carbon that is stiff and offers riders efficient power transfer.
Innegra fibers are integrated into the carbon frame to protect it from rock damage.
Orro offers the Terra C in sizes XS to XL.
Vredestein Aventura tires offer riders traction on gravel roads.
On-road vibration is dampened by the pairing of a carbon fork with a carbon frame.
Swapping the specced tires for something slicker makes this bike a capable endurance road bike or commuter, according to multiple experts.
The 71° head tube angle is fairly slack and offers riders control maneuvering down steep descents.
Internally routed cables are visually appealing and quiet.
The Fulcrum wheels are set up tubeless-ready. Running tubeless tires helps reduce flats and lowers the bike's weight.
The seat post clamp has an integrated rear light for additional safety.
The Terra C has ample clearance for tires as wide as 44mm. This allows riders to run lower pressures and to attain greater traction and comfort when set up tubeless.
Orro specs the bike with a Prologo Kappa saddle that most testers found comfortable.
There are mounts for mudguards. This keeps riders dry when riding through wet terrain.
Rack mounts allow riders to carry panniers or a dry bag when commuting or bikepacking.
The carbon frame, beefy bottom bracket and aggressive 74.2° seat tube angle allow riders to accelerate quickly.
One expert was pleased to find the frame and fork come with a five-year warranty.

3 reasons not to buy

The Terra C has a press-fit bottom bracket. These are prone to holding moisture and creaking.
The bike only has mounts for two water bottles. Many competitors offer room for up to three.
The light on the seat post is not very bright, according to testers.

Bottom line

The Orro Terra C is a durable carbon gravel bike. It is available at an affordable price compared to others in its category. Orro offers it in 1x or 2x set up. The bike has clearance for tires up to 44mm. Mounts for a rack make it an adequate bikepacking rig. Testers found the bike can also double as one’s endurance road bike with a wheel and tire swap. The flaws testers identified were few. The bike has a press-fit bottom bracket. It also only has room for two water bottles in the frame.