The FM-GV201 (sold as Tideace Noah/GV201, TanTan/Seraph GR201, Longteng GV201 and State Carbon All Road v2) is an open-mould carbon gravel race frame with UDH, T47, flat-mount brakes, a downtube storage hatch and clearance for 2.1" tyres at the rear. Owners across three forums praise its value, stiffness, durability and versatility, with painted size-54 frames weighing about 1,350 g and complete builds at 7.6–8.7 kg. The recurring weak points are supplied parts rather than the frame: the integrated cockpit's compression ring causes headset play, stock bearings and expander are poor, early axles had the wrong thread for SRAM T-Type, and paint, communication and missing parts are inconsistent.
Pros
- Excellent value: about $730–740 for frame, fork, headset and axles, with complete builds around €2,10012
- Large tyre clearance: 50 mm official, 2.1" (about 53 mm) fits tightly at the rear, and 2x still clears a 48 mm tyre measuring 51–52 mm13
- Stiff, fast race geometry that is stable at speed and works well as a road bike on 32–50 mm tyres132
- Very durable: raced at the Traka 200 and the Gralloch, and frames survived several hard crashes without damage3
- Downtube storage hatch and numerous bikepacking mounts make it a strong bikepacking platform; the Fidlock cover holds a full bottle on rough ground13
- Handles 2x drivetrains without special spacers, e.g. SRAM Force road 50/34 and Ultegra 12-speed 50/3413
- Builds under 9 kg are easy, for example 8.66 kg with GRX Di2 2x and 40 mm tubeless tyres1
- Big custom paint choice, including raw/transparent carbon finishes and a painted storage cover from Tideace13
- Full fenders (PDW 55) fit over 48 mm tyres, and a gravel suspension fork has been fitted3
- No toe overlap reported on size 54 with 165–170 mm cranks and 2.1–2.2" tyres3
Cons
- The Tideace integrated cockpit's out-of-tolerance compression ring and reducer sleeve cause headset play; several owners replaced it with a Lexon Unox or an FSA ACR/Deda/Ritchey bar with separate stem13
- Supplied expander and headset bearings are poor; one lower bearing was worn out after 1,500 km and owners recommend replacing both3
- Early rear thru-axles had M12x1.5 thread and did not work with SRAM T-Type, which needs M12x1.03
- Long reach and low stack: several riders sized down, ran the saddle fully forward or added spacers; tall riders may find the stack low13
- Paint and finishing vary: overspray on brake mounts needing facing, blisters, a jagged line on the storage cover, and shipping damage with weak support13
- Internal routing is fiddly, especially for mechanical groupsets, and the wide integrated spacers rule out semi-internal cable entry1
- Seatpost clamp with two slits crushed one owner's carbon seatpost; a Wolf Tooth clamp solved it13
- Storage cover latch gets stiff with dirt and water can stay inside the compartment; some lateral play by hand13
- Parts missing from orders (spacers, handlebar, headset), slow communication with no order confirmation or tracking unless asked, and no refund of customs for a forgotten handlebar3
- Stiff and harsh on bigger bumps at speed, and the front catches crosswinds with deep rims and wide tyres3
- Rear clearance with 2.1" tyres is about 4 mm per side, fine when dry but clogs and scratches paint in mud3
- Less precise than a road bike when holding tight lines in fast group rides1
- Potential import/customs costs depending on location, and some components have long lead times2
Key Facts
- Painted size 54 weighs about 1,350 g with cover, clamp and FD mount; unpainted 54 is 1,189 g and 52 is 1,050 g; fork 430–500 g; storage cover about 100 g3
- Official tyre clearance 50 mm; a 2.1" Thunder Burt (about 53 mm on a 29 mm rim) fits at the rear with roughly 4 mm per side in dry conditions, and a 2.2" Race King fits the fork13
- T47 bottom bracket with an 85.5 mm shell; headset uses 52 mm OD bearings, lower 52x40x7 45/45 because the crown race is integrated in the fork13
- Rear axle for SRAM T-Type must be M12x1.0 (e.g. 167 mm); early frames shipped with M12x1.5 and later frames came with the 1.0 axle3
- Seatpost is 27.2 mm; 350 mm posts fit (stock 300 mm)1
- 1x chainring limit is about 46T at a 47.5 mm chainline; a 48T Wolf Tooth fits with a SRAM wide crank and Quarq spider13
- 2x drivetrains clear 48 mm tyres: SRAM Force road 50/34 works without special spacers, and Ultegra 12-speed 50/34 runs 48 mm Thunderos with room to spare13
- Same mould sold as TanTan/Seraph GR201, Longteng GV201 and State Carbon All Road v2; Tideace paints the storage cover, TanTan does not and is cheaper13
- Framesets cost about $730–740 (frame, fork, headset, axles); a 2024 unpainted frame was about $825, and a 2025 TanTan with custom paint about £631 vs Tideace £73113
- Complete builds land at 7.6–8.7 kg, e.g. 8.66 kg with GRX Di2 2x and 40 mm tyres, or a €2,100 build with GRX 600 2x11 and 50 mm tyres132
- Mounts at the rear dropout, upper seatstay, behind the BB, on the fork legs and behind the crown; PDW 55 fenders fit over 48 mm tyres3
- Delivery typically 3–5 weeks including custom paint3
Reviews & Ratings
A user shares their experience building a gravel bike using the Tideace Noah carbon frame paired with Elitewheels aero+ gravel wheels, highlighting its speed and performance on both road and rough terrain.
AI Summary
Pros
- Fast performance on road and gravel
- Comfortable ride with 50mm tires eliminating need for carbon seatpost
- Good value for budget build (2100€ total)
more pros in the review
Cons
- Potential import/customs costs depending on location
- Internal cable routing can create initial resistance during installation
- Some components have long lead times (e.g., wheels until June)
Key Points
- Frame: Tideace Noah size 52 (700 series carbon)
- Wheels: Elitewheels aero+ gravel (45mm deep, 32mm internal, 40mm external)
- Groupset: Shimano GRX 600 2x11
more key points in the review
The Tideace Noah (FM-GV201) is a carbon gravel race frame with UDH, T47, flat-mount brakes, a Fidlock downtube storage compartment and clearance for 2.1 in tyres at the rear. The same mould is sold as TanTan/Seraph GR201, Longteng GV201 and State Carbon All Road v2; owners say Tideace paints best while TanTan is cheaper and sometimes quicker. Painted frames weigh about 1350 g in size 54 with cover and hardware (1189-1050 g unpainted, sizes 54-52), the fork 430-500 g, and complete builds land at 7.6-8.7 kg. Reach is long and stack low, so many riders sized down or used short stems. After two seasons and several thousand kilometres, including the Traka 200 and a UCI gravel qualifier, owners describe it as stiff, fast and 'built like a tank' that survived hard crashes, though some find it harsh on rough descents. The weak points are the supplied parts rather than the frame: the Tideace integrated handlebar's compression ring and reducer sleeve caused headset play for several owners (most switched to a Lexon Unox), the stock expander and headset bearings are poor, and early rear axles had the wrong thread for SRAM T-Type. Orders typically take 3-5 weeks, with occasional missing parts, paint flaws and little proactive communication from Tideace.
AI Summary
Pros
- Modern standards at a low price: UDH, T47, flat mount, internal routing and integrated storage
- Large clearance: 2.1 in Thunder Burt (about 53 mm) at the rear in dry conditions and 2.2 in Race King at the fork
- Downtube storage compartment is widely liked; tools stay dry and the Fidlock cover holds a full bottle on rough terrain
more pros in the review
Cons
- Tideace's integrated handlebar caused headset play through an out-of-tolerance compression ring and reducer sleeve; several owners replaced it with a Lexon Unox or an ACR bar
- Supplied expander and headset bearings are poor; one lower bearing was worn out after 1500 km and owners recommend replacing both
- Early rear thru-axles had M12x1.5 thread and did not work with SRAM T-Type, which needs M12x1.0; later frames came with a 1.0 axle
more cons in the review
Key Points
- Same mould as TanTan/Seraph GR201, Longteng GV201 and State Carbon All Road v2
- Standards: UDH, T47 (85.5 mm), flat-mount brakes, 12x100 / 12x142 thru-axles
- Rear axle for SRAM T-Type must be M12x1.0 (e.g. 167 mm)
more key points in the review
The Tideace GV201 (also sold as TanTan GR201, Longteng GV201 and Noah) is an open-mould carbon gravel frameset with race geometry, a T47 bottom bracket, flat mount brakes, UDH, a down tube storage hatch and plenty of bikepacking mounts. Official clearance is 50 mm; 2.1" Thunder Burts (about 53 mm) fit tightly. A 2x front derailleur still clears a 48 mm Tufo measuring 51-52 mm on 32 mm rims. Framesets cost about $730-740 and frames weigh about 1,270-1,350 g in size 54; complete builds come in under 9 kg, for example 8.66 kg with GRX Di2 2x and 40 mm tyres. Owners like it on both gravel and road, from bikepacking to group rides on 50 mm tyres, though it holds tight lines less well in fast road groups. Sizing is long and low: - a 180 cm rider (83 cm inseam) fits an M; - riders around 188-189 cm ride an L, where the stack can feel low. Common issues: - stock integrated cockpits with poor compression rings that cause headset play; the lower bearing must be 52x40 45/45 because of the integrated crown race; - difficult internal routing, and the wide integrated spacers rule out semi-internal cable entry; - inconsistent paint; - a rattling storage cover; - one owner crushed a seatpost in the clamp.
AI Summary
Pros
- Excellent value: around $730-740 for frame, fork, headset and axles.
- Race geometry that is stable at speed and responsive, and lively on road tyres.
- Large tyre clearance: 50 mm official, 2.1" (about 53 mm) fits tightly; 2x still clears a 48 mm tyre measuring 51-52 mm.
more pros in the review
Cons
- Stock TanTan/Tideace integrated cockpits often have poorly toleranced compression rings that cause headset play and creaks.
- Internal routing is fiddly, especially for mechanical groupsets, and the wide integrated spacers rule out semi-internal cable entry.
- 1x chainring size is limited (46T with SRAM Wide without tricks).
more cons in the review
Key Points
- Open mould sold as TanTan GR201, Tideace GV201/Noah and Longteng GV201.
- T47 bottom bracket (86 mm shell).
- Flat mount discs; 160 mm rear rotors need an adapter.
more key points in the review
Where to Buy

FM-GV201 Tideace Carbon Gravel Bike Frame
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