The Twitter Gravel V1 carbon frame suffers from severe quality control issues, including ill-fitting headset bearings, an undersized bottom bracket shell, thin seat tube walls, and plugged threaded holes, making it a risky purchase requiring extensive modifications.
Cons
- Head tube too small for headset bearings
- Bottom bracket shell egg-shaped and undersized
- Seat tube wall thin near clamp relief, prone to cracking
- Steerer tube not round
Key Facts
- Claimed weight 980g (size M)
- T800 carbon fiber construction
- BSA threaded bottom bracket standard
Reviews & Ratings
The reviewer discusses the Twitter V1 gravel bike frame, highlighting numerous quality control and finish issues. They detail problems such as ill-fitting headset bearings, an undersized and non-round bottom bracket shell, a thin seat tube prone to cracking, a non-round steerer tube, and plugged threaded holes. The reviewer performs various repairs including sanding, filling with epoxy, and converting the seat tube to a seat mast. Despite the issues, they decide to build the frame into a complete bike to test its durability.
AI Summary
Cons
- Headset bearings do not fit; head tube is too small.
- Bearing seats are thin and fragile.
- Bottom bracket shell is egg-shaped and undersized.
- Crack at edge of bottom bracket shell.
- Seat tube wall is thin near seat clamp relief, likely to crack.
- Steerer tube is not round.
- Many threaded holes are plugged with filler, carbon, or epoxy.
- Internal inspection reveals leftover bag and excess epoxy.
Key Points
- Frame is a Twitter V1 gravel bike frame ordered from China.
- Frame uses 700X40C tires and hydraulic disc brakes.
- Head tube required sanding and JB Weld reinforcement.
- Bottom bracket shell was bored and faced using a 3D-printed tool.
- Seat tube was converted to a seat mast using carbon tubes and epoxy.
- Steerer tube was sanded round with a 3D-printed tool.
- Threaded holes were cleaned with a 5mm tap.
The reviewer strongly advises against purchasing the Twitter Gravel V1 carbon fiber bicycle frame, citing numerous manufacturing defects and poor quality control. He describes the frame as poorly made and likely to end up in the trash for most users.
AI Summary
Cons
- Headset bearings do not fit because the head tube is too small.
- Bearing seat is not flat, not the same angle, and is very thin in spots.
- Bottom bracket shell is egg-shaped and undersized, requiring modification.
- A crack was found at the edge of the bottom bracket shell.
- Inside the seat tube, the wall is too thin near the seat clamp relief, likely to crack when clamping a seat post.
- Many threaded holes are partially or completely plugged with filler, carbon, or epoxy.
- Overall lack of quality control at the factory.
Key Points
- Frame model: Twitter Gravel V1.
- Frame material: Carbon fiber.
- Price mentioned: $500.
- Intended use: Gravel bike with 700x40C tires and hydraulic disc brakes.
Where to Buy
TWITTER neuer Gravel V1 Carbonfaser-Fahrradrahmen 700X40C hydraulische Scheibenbremse Rennradrahmen neue Beschichtung
Specifications
Attributes
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