Venn 520 HE1 Road Carbon Wheelset - 52mm Disc Brake, 1280g
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Venn 520 HE1 Road Carbon Wheelset
Description
The Venn 520 HE1 is a 52mm deep, 1280g tubeless-ready carbon wheelset built for road racing and long endurance rides. Mounted on the Venn Helix-01 hubs with 72T helical engagement, these wheels deliver instant, play-free power transfer whether you're out of the saddle on a climb or sprinting for the line. The 520 TCD UL rims are filament wound - a construction method patented in Taiwan and recognized with a Eurobike Award - producing a fully compacted wall virtually free of voids, with no clear coat required. At 25mm internal width, the rims are optimized for 28 to 35mm road tyres, striking a balance between aerodynamic efficiency and comfort. Laced with Sapim CX-Ray bladed steel spokes front and rear, these wheels are as serviceably practical as they are fast.
Key Features
- Wheelset Weight - 1280g: Light enough to climb well, deep enough to cut through the air on flat roads and in crosswinds.
- 52mm Rim Profile: Aerodynamic depth ideal for road racing, gran fondos, and fast training rides.
- Venn Helix-01 Hubs with 72T Helical Engagement: Engages like a bolt tightening - the harder you pedal, the firmer the ratchet rings lock. No free play under power, 5-degree engagement angle.
- Angular Contact Rear Bearing: A 41.5mm nano-coated angular contact bearing handles the side loads of real-world riding, keeping friction low mile after mile. Rear hub also runs two 6902 bearings; front runs 6902 and 6802.
- Filament Wound 520 TCD UL Rims - 345g each: Multi-part articulated tooling and controlled pressure produce a void-free wall with a natural finish that needs no clear coat - available in gloss, matte, or 25k pattern.
- 25mm Internal Width: Compatible with 28 to 35mm road tyres; 32mm outer width, 29.5mm at the uprights.
- Sapim CX-Ray Spokes, 24H Front and Rear: The benchmark bladed steel race spoke - light, aerodynamic, and replaceable at any bike shop worldwide.
- Disc Brake / Center Lock / Thru Axle: 12x100mm front, 12x142mm rear thru axle; Center Lock rotor mount for modern disc brake road bikes.
- Multi-Freehub Compatibility: Available in Shimano HG (11 and 12-speed road), Shimano Micro Spline, or SRAM XDR.
- Tubeless Ready: Ships with tubeless tape, valves, and spare spokes included.
- 5-Year Rim Warranty / 2-Year Wheel Warranty: Backed by Venn's industry-leading warranty terms.
Finish Options & Which to Choose
- Gloss Uncoated: A high-shine natural carbon finish with no added lacquer or clear coat. Weighs the same as matte. Classic, clean look for road racing builds.
- Matte Uncoated: Understated, stealth aesthetic with the same weight as gloss. Popular with riders who prefer a subtle, modern finish.
- 25k Pattern: Shows the distinctive woven 25k carbon weave on the rim surface. Adds approximately 30g per rim (60g per pair). Best for riders who want to showcase the carbon construction.
Shipping
Ships free! Please email us at service@omahasportsandgames.com for a delivery ETA or to confirm shipping details.
What's Included
- Front carbon wheel (520 TCD UL rim, Helix-01 front hub, Sapim CX-Ray spokes)
- Rear carbon wheel (520 TCD UL rim, Helix-01 rear hub, Sapim CX-Ray spokes)
- Tubeless tape
- Tubeless valves
- Spare spokes
Why You'll Love It
The Venn 520 HE1 represents one of the most technically advanced carbon wheelsets available at its price point, built by a brand with a proven record of innovation including 10 awards and honours since 2010. The filament winding technology behind these rims is patented, impact tested to 100 joules - more than double the UCI's 40 J requirement - and produces a wall quality that eliminates the need for a clear coat, saving weight without sacrificing finish quality. Riders who have suffered through the lag of spring-loaded pawl hubs will immediately feel the difference the Helix-01's helical engagement makes on hard accelerations and steep climbs. The choice of Sapim CX-Ray spokes means any competent bike mechanic worldwide can true or replace a spoke if needed, keeping these wheels on the road for years. Whether you're racing crits, riding gran fondos, or simply want a fast, light wheel that is built to last, the 520 HE1 delivers genuine performance you'll feel every ride.
Product Specifications
View Product Specs
| Brand | Venn |
|---|---|
| Rim Model | 520 TCD UL |
| Hub Model | Venn Helix-01 |
| Wheelset Weight | 1280g (±30g a pair) |
| Rim Weight | 345g raw finished (±15g) |
| Rim Depth | 52mm |
| Rim Width (outer) | 32mm at widest point |
| Rim Width (uprights) | 29.5mm |
| Internal Width | 25mm |
| Tire Compatibility | 28 to 35mm road tyres |
| Tire Type | Tubeless / Clincher |
| Wheel Size | 700c |
| Brake Compatibility | Disc brake |
| Rotor Mount | Center Lock |
| Front Axle | 12 x 100mm thru axle |
| Rear Axle | 12 x 142mm thru axle |
| Engagement | 72T helical ratchet, 5-degree engagement |
| Rear Bearings | 2 x 6902 + 41.5mm angular contact bearing |
| Front Bearings | 6902 and 6802 |
| Hub Axle Material | 7075-T6 aluminium (15mm) |
| Hub Shell | Cold forged |
| Ratchet Material | Forged and CNC machined SCM 415 steel |
| Front Hub Weight | 105g |
| Rear Hub Weight | 243g |
| Spokes | Sapim CX-Ray bladed steel |
| Nipples | External aluminium |
| Hole Count | 24H front, 24H rear |
| Cassette Compatibility | Shimano HG (11/12-speed), Shimano Micro Spline, SRAM XDR |
| Rider Weight Limit | 110kg |
| Finish Options | Gloss uncoated, Matte uncoated, 25k pattern (+30g per rim) |
| Decal Options | Silver Venn Hanko, Black Venn logo, None (plain carbon) |
| Origin | Made in Taiwan |
| Rim Warranty | 5 years |
| Wheel Warranty | 2 years |
| Lead Time | Made to order - ships 5 to 8 weeks after payment |
| Assembly Required | No - ships as a complete built wheelset |
FAQ
What is helical engagement and why does it matter?
In a standard ratchet hub, pawls or rings are held in engagement by springs alone, leaving a small amount of free play between the teeth. The Helix-01 works differently - the more force you apply through the pedals, the firmer the two ratchet rings press together, like a bolt tightening. This means under power there is zero free play, so your effort goes directly into the wheel. You'll feel the difference most when accelerating hard, sprinting, or climbing out of the saddle.
What freehub bodies and axle standards are available?
The Venn Helix-01 rear hub is available with Shimano HG (11 and 12-speed road), Shimano Micro Spline, or SRAM XDR freehubs. Both wheels use 12mm thru axles - 12x100mm front and 12x142mm rear. The rotor mount is Center Lock.
Which finish should I choose - gloss, matte, or 25k?
Gloss and matte uncoated finishes weigh exactly the same, so the choice is purely aesthetic. Gloss has a high-shine look, while matte is more subdued. The 25k pattern showcases the carbon weave texture but adds approximately 30g per rim (60g per pair). All three finishes are priced the same.
Are these wheels truly tubeless ready?
Yes. The 520 TCD UL rims are tubeless ready, and the wheelset ships complete with tubeless tape and valves included. You can also run them with standard clincher tubes if preferred.
What tyre sizes fit the 520 HE1?
The 25mm internal width is designed for 28 to 35mm road tyres on a 700c wheel. This range covers most modern road and all-road tyre widths and offers an excellent balance of aerodynamic performance and ride comfort.
How long does delivery take?
The 520 HE1 is made to order. After payment is confirmed, wheels ship within 5 to 8 weeks. For specific delivery estimates, please email us at service@omahasportsandgames.com.
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While many of our products are prepared and shipped out within 48 hours, some of our items are built to order or require custom pieces that could take 2-6 weeks to prepare before shipping! Please contact us at 888-884-2234 for a delivery ETA if you have a strict timeline.
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Omaha Sports & Games Team
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