Name: Gravel Carbon G1 - matt green
Brand: Principia
SKU: 907216352g1

Specifications

Frame	Principia CHF-18 Carbon
Material	Carbon
Fork	Principia CHK80-ET-M12 Carbon
Frame colour	Matt green
Decal	Brown/orange
Speed	11
Rear derailleur	Shimano GRX RX812
Crankset	Shimano FC-RX600 40T 170mm
Bottom bracket	BB86 Pressfit Evo Max 86,5x41mm
Chain	Shimano CN-HG601-11
Front brake	Shimano BR-RX400 hydraulic disc brake, 160 mm. rotor
Rear brake	Shimano BR-RX400 hydraulic disc brake, 160 mm. rotor
Grips	Principia bar tape
Saddle	Ritchey Comp Streem
Seat post	Ritchey Comp 2-Bolt Aluminium, 31,6x400mm
Wheel size	28in (700)
Tires	Panaracer GravelKing SK 700x38C
Tires	Panaracer GravelKing SK 700x38C
Weight	9.3kg
Suitable for	Gravel
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Principia Gravel Carbon is the ultimate gravel bike that combines the best of MTB, Cross, and Race, allowing your impulsive cycling heart to lead the way. This versatile bike enables you to ride fast on the road, detour on the forest trail, and race home on the gravel road. Regardless of the season, Principia Gravel Carbon is your reliable companion.

This model is equipped with Shimano GRX RX600 1x11. Shimano GRX is optimized for gravel in terms of gearing, ergonomics, durability, stability, and more.

Go Gravel

Geometry and frame

Designed for versatility

The lightweight and stiff carbon frame is fundamental to the performance of Principia Gravel Carbon. Carbon material results in low weight and offers the necessary stiffness to handle demanding terrains. Whether climbing a steep hill or descending a technical trail, the frame will provide you with the stability and control needed.

One of the most impressive features of Principia Gravel Carbon is its comfortable geometry. We designed the bike to provide you with a pleasant and relaxed riding position, allowing you to enjoy long rides without getting any fatigue.

Principia Gravel Carbon is a fast and comfortable bike with many mounting points for carrying gear. Whether you're a bikepacking enthusiast or want the option to bring necessary items on your trips, the bike's bag and accessory mounts will meet your needs.

GROUPSET

Shimano GRX

Shimano GRX is a newly developed groupset, specifically designed for gravel bikes. With its gravel-specific ergonomics, optimized gears. robustness and stability, Shimano GRX is ready to tackle any obstacle. Shimano GRX ensures a revolutionary riding experience, where you're always in absolute control - exactly how it should be.

Tires

Panaracer GravelKing SK

Panaracer GravelKing SK is made for speed on even the roughest of terrains. A combination of an aggressive tread, natural rubber compound and puncture resistance create the base for a high quality tire. GravelKing SK has a very strong grip on loose gravel, but the comfort remains. Despite hardcore offroad properties, GravelKing SK handles asphalt easily with minimal tire noise.

Below you will find our sizing guide.

You just have to measure your inseam, to learn which size suits you.

Inseam in cm	Size in inches	Size in cm
67-72	17.5-19	45-48
73-77	19-20	48-51
78-81	20-21	51-54
82-86	21-22.5	54-57
87-90	22.5-23.5	57-60
91-94	23.5-24.5	60-63

Frame size	48cm	50cm	52cm	54cm	56cm
Reach (mm)	368,6	369,6	379,4	387,6	396,5
Stack (mm)	564,1	581,5	597,7	609,4	628,3
Trail (mm)	74,4	72,8	69,4	69,4	69,4
Standover height (mm)	744,4	761,4	778,7	796,5	814,6
Head tube angle	70,5	70,75	71,25	71,25	71,25
Head tube length (mm)	115	135	150	165	185
Seat tube angle	74,5	73,2	73,2	72,9	72,9
Seat tube length (mm)	480	500	520	540	560
Top tube length (mm)	525	545	560	575	590
Chain stay length (mm)	435	435	435	435	435
BB height (mm)	275	277,5	277,5	280	280
BB drop (mm)	85	82,5	82,5	80	80
Wheel base (mm)	1017,9	1023,9	1034,2	1047,7	1063

Upgrade your new Gravel Carbon

HIRIDE SUSPENSION

Revolutionary suspension fork

You can upgrade to a HiRide Suspension front fork if maximum comfort is essential. The front fork allows Gravel Carbon to handle challenging terrain. On average, the fork absorbs +46.7% of vibrations from the ground compared to a standard gravel fork due to the 20mm. travel. You can use the hydraulic lock-out to stiffen the fork if riding on smooth tarmac. Additional cost: €700

OHR CYCLING G45

Hand-made carbon wheelset

If you want to increase performance and lower the weight, a set of carbon wheels is the way to go. Upgrade your Gravel Carbon to the OHR Cycling G45 wheelset, which is stiff, lightweight, and incredibly fast. OHR has given it everything to develop the best gravel wheelset ever. 24mm Inner rim width provides plenty of space for your gravel tires, while the 45mm height brings the perfect amount of aerodynamics for those long, straight roads. The OHR-only sealed hubs ensure you can keep rolling on for years.

Gravel Carbon G1 - matt green