Venn 440 TCD UL 1k filament wound ultralight gravel carbon rim
September 22, 2026
Venn 440 TCD UL 32″ 1k filament wound ultralight 32-inch gravel carbon rim
September 22, 2026
Venn 540 TCD UL 1k filament wound ultralight aero gravel carbon rim
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€409,00
1k filament wound tubeless ready gravel carbon rims. 54mm profile, 32mm internal, disc brake.
Venn 540 TCD UL: the aero gravel rim
The Venn 540 TCD UL takes the 32mm-wide bed of the 440 TCD UL to a 54mm deep profile, at 385g (±15g). It is built for gravel racing and fast mixed-surface riding, where you spend long stretches at speed and the extra depth pays back.
Profile
40mm at its widest, with a hooked bead. Best with gravel tires of 45mm and wider. ERD 532.5mm.
Pre-moulded spoke holes
The spoke holes are moulded in rather than drilled after curing, so the fibres around each hole are never cut. They are angled to match DT Swiss 240 hub geometry for an even build and take external nipples. Because the holes are moulded, this rim comes in 20 or 24 holes only.
Ultra-precise 1k filament winding
The outer shell is wound with our 1k process: every carbon tape carries exactly 1,000 fibres, so each fibre goes precisely where it is needed. Think of it like building with LEGO® – smaller bricks make a more detailed, more precise structure. The narrow tape also lets gas escape more easily during curing, which gives a uniform, well-compacted laminate and a smooth, uncoated Class-A surface.
Tubeless ready
The hooked bead takes tubeless tires as well as standard clinchers with inner tubes. Run tubeless with sealant and most punctures seal themselves before you notice them.
Tool access holes or a sealed bed
Order the rim with tool access holes (fit tubeless tape) or without them for a true tubeless bed that needs no tape at all. The sealed version takes external nipples only.
Your finish, your decals
Choose gloss uncoated or matte uncoated – both show the wound carbon, with no paint or clear coat added. Decals come in black, or leave them off for a clean, unbranded rim.
Rim profile
Carbon filament winding
| Brand | Venn |
|---|---|
| Brake compatibility | Disc |
| Tire type | Tubeless/clincher |
| Size | 29", 700c |
| Width | 40mm external, 32mm internal |
| Depth | 54mm |
| Rim weight | Raw finished 385±15g |
| Rider weight limit | 110kg |
| Hole number | 20 holes, 24 holes |
| ERD | 532.5mm |
| Finish option | Gloss uncoated, Matte uncoated |
| Decals | Black, None |
| Tool access holes | Yes – needs tubeless tape, No – true tubeless, incompatible with internal nipples |
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