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From the maker

Full specification

Basic

ModelNGX 50
Rim TypeRoad · Gravel (Clincher)
MaterialsToray T800 + T700 Carbon Fiber
Brake InterfaceDisc Brake
EditionPremium Edition
ASTM ClassificationCondition 3
Warranty3 Years
Release TimeAugust 2026

Dimensions

Size700C
BSD (Bead Seated Diameter)622mm
ERD (Effective Rim Diameter)539mm
Drillings16, 18, 20, 24, 28, 32, 36
External Width36.8mm
Internal Width27.5mm
Rim Height50mm
Weight395g
Valve Hole Diameter6.5mm (Presta)
Spoke Holes Diameter4.5mm | 2.5mm
Spoke Holes AngleAxial 6° | Radial 6°
Assembly Hole Diameter7.5mm
Drain HolesOptional
Tubeless CompatibleYes

Appearance

Carbon WeaveUD | 3K
FinishFree Coating | Matte | Glossy

Recommendation

Tire Size (Hook)35 ~ 65mm Gravel.
Tire Pressure (Hook)23 ~ 70psi Gravel.
Spoke Tension100 ~ 130kgf
Max System Weight159Kg
Ideal Valve Stem Length62mm

Discipline

DisciplineRoad, Triathlon, Cyclocross, Dirt, Gravel, and Adventure riding.

About this rim

The details

Introduction

On the road, riding wider wheels equate to a faster roll, a more subdued and smoother ride quality, and noticeably improved cornering grip with a more confident feel at the limit. This is why more and more cyclists are opting for wider wheels. As market demand continues to expand, we have developed the NGX series carbon fiber road rims, which are wider than the CGX series, to meet the riding needs of more road bike enthusiasts.

We made 8 types of NGX rims in a variety of depths to adapt to different usage environments, 30mm, 35mm, 40mm 45mm 50mm, 55mm, 60mm and 65mm, in style of clincher hookless version and hook version. All of these rims are tubeless-compatible. You may use these rims for road, triathlon, cyclocross, dirt, gravel, and adventure riding.

Quality is what we have always guaranteed. Rigidity and deflection control are the most important factors in measuring the quality of a road bike rim. Because of the use of better carbon fiber materials, Toray T700+T800, and the latest manufacturing technologies, we are able to control the rigidity and deflection of premium edition road carbon rims within 0.2mm. This is a very high accuracy.

The weight of NGX 50 is only 395g. Hook and hookless versions are both available. The profile drawing is as below.

Recommendation of Tire Size and Tire Pressure.

Tire Size (Hook): 35 ~ 65mm Gravel.

Tire Pressure (Hook): 23 ~ 70psi Gravel.

Advantage of Wider Wheels

Wide rims mean riding lighter, smaller performance tires with cushiony, high air volume and firm surface grip. Rolling resistance is lower with wider tires. Cornering grip is greatly improved. Ride comfort is greatly increased.

Aerodynamic Optimized Design

Nowadays, aerodynamic performance is one of the key factors considered when racing cyclists purchase new equipment, as the aerodynamic drag is known to be the main source of losses in cycling. The aerodynamic optimization of bicycle wheels can lead to decisive gains in running pace. For all of our CRX carbon rims, they have an optimized cross section. Please also note that choosing an appropriately sized tire for an aerodynamically optimized rim is also crucial to reducing air resistance and increasing riding speed.

Tubeless-Compatible Design

Lower rolling resistance. By eliminating the inner-tube, the friction between tire and tube is also eliminated, allowing the tire roll, flex, and conform to the road with greater efficiency.

Flat less, ride more. Flat tires are a buzz-kill. With a little sealant you can eliminate nearly all flats that would have been caused by an intrusive thorn or piece of debris.

Run the Best Pressure. Tubeless means you can run the pressure you want to maximize comfort, traction, and rolling efficiency. Visit our tire pressure page to dial in your best tire pressure.

Hookless Design

Tubeless performance depends on the tire maintaining a light press-fit with the rim on the bead seat diameter. We chooses a hookless tubeless rim profile as it allows the rim’s critical tolerance at the bead seat diameter to be both consistent and accurate. In short, hookless is chosen to deliver a more safe, reliable, and ultimately proper tire fitment.

What's in the Box

Carbon Rim(s)

Nextie · Gravel rims

Nextie Premium NGX 50 Gravel carbon rim

£334

Inc. VAT · UK delivery calculated at checkout · free UK delivery over £200

Ordered in for you · About 6 weeks

We don't hold this in stock. As an authorised Nextie distributor we order it in for you when you buy — usually about 6 weeks. We'll email you when it ships.

Nextie decals: None

£334

Ordered in for you: About 6 weeks. We email you when it arrives.

  • ✓ Free UK delivery over £200, or collect from the workshop
  • ✓ 14-day returns on online orders
  • ✓ Secure payment: card, Apple Pay, Google Pay or PayPal

Secure checkout by Stripe — card, Apple Pay, Google Pay or PayPal. We never see your card details. Returns and cancellations.

Wheel size700c
Weight395g
ERD540 mm
External / internal width33.5 / 27.5 mm
Tyre range32~65mm
Max system weight—

Want it built into a wheel? Use the wheel builder.

Details

Nextie Premium NGX 50 700c Gravel carbon rim. Ordered in for you from Nextie, or have us hand-build it into a wheel.

Want it fitted? Book it into the workshop.

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