Fulcrum Wind 40C Carbon Rim Brake Wheelset
The Fulcrum Wind 40C is a performance road wheelset built for everyday riding -- whether that is training, a gran fondo, or weekend group rides. Its 40 mm full carbon unidirectional rim strikes the balance that most riders are actually looking for: aerodynamic enough on the flat to feel fast, light enough on climbs to hold the rhythm, and confidence-inspiring on technical descents.
Reviewers at road.cc describe this wheelset as having impressive stiffness and a quality ride feel, calling it a versatile all-rounder equally at home on the flat as it is in the hills. The 40 mm depth is widely regarded as the sweet spot for riders who want a genuine do-it-all carbon wheel without the crosswind sensitivity of deeper profiles.
Mo-Mag nipple system
The rim is built without spoke holes in the upper bridge. Instead, nipples are guided into position using a magnet -- a clever approach that results in a structurally uniform rim with no stress points or weak zones. There is no need for rim tape, which saves weight and simplifies maintenance.
Ac3 laser-treated braking surface
One of the standout features of the Wind 40C is its braking performance. The braking track is treated with a laser process that removes surface resin to a precision not possible by hand. The result is consistently strong and predictable braking in dry conditions, and up to 30% better performance in wet weather -- a meaningful advantage for a rim-brake carbon wheel.
Two-to-one spoke ratio
The rear wheel uses Fulcrum's patented 2:1 spoke arrangement -- 14 spokes on the drive side versus 7 on the non-drive side. This compensates for the natural tension imbalance caused by the cassette offset, keeping the wheel stiffer and more reactive under hard acceleration.
DRSC directional rim-spoke coupling
An exclusive coupling system that ensures the rim, spokes, nipples and hub all align with consistent tension across every contact point -- contributing to the precise, balanced feel of the finished wheel.
The Wind 40C is a clincher-only wheelset designed for use with quick-release road and triathlon bikes. It is a confident, well-rounded upgrade for any rider looking to add aerodynamic performance without compromising versatility.
- Tyre type: Clincher
- Discipline: Road / Triathlon
- Weight: 1,555 g
- Rim material: Full carbon, unidirectional (Ud) with carbon fibre finish
- Profile height: Medium -- 40 mm front and rear
- Rim width (external): 24.2 mm
- Inner rim width: ETRTO 17C
- Compatible tyre width: 23 mm to 47 mm
- Braking system: Caliper (rim brake)
- Braking surface: 3K carbon fibre with Ac3 laser treatment
- Front axle: Quick-release (Qr)
- Rear axle: Quick-release (Qr)
- Front spokes: 18 (9 left, 9 right)
- Rear spokes: 21, Two-to-one ratio (7 left, 14 right)
- Spoke material: Stainless steel, double butted
- Spoke profile: Aero, straight pull
- Nipples: Aluminium
- Front hub: Aluminium with aluminium flanges
- Rear hub: Aluminium with oversize aluminium flange
- Bearings: Sealed cartridge
- Freewheel: Plasma-treated Hg freewheel, aluminium axle
- Rider weight limit: 109 kg
The Fulcrum Wind 40C is a performance road wheelset built for everyday riding -- whether that is training, a gran fondo, or weekend group rides. Its 40 mm full carbon unidirectional rim strikes the balance that most riders are actually looking for: aerodynamic enough on the flat to feel fast, light enough on climbs to hold the rhythm, and confidence-inspiring on technical descents.
Reviewers at road.cc describe this wheelset as having impressive stiffness and a quality ride feel, calling it a versatile all-rounder equally at home on the flat as it is in the hills. The 40 mm depth is widely regarded as the sweet spot for riders who want a genuine do-it-all carbon wheel without the crosswind sensitivity of deeper profiles.
Mo-Mag nipple system
The rim is built without spoke holes in the upper bridge. Instead, nipples are guided into position using a magnet -- a clever approach that results in a structurally uniform rim with no stress points or weak zones. There is no need for rim tape, which saves weight and simplifies maintenance.
Ac3 laser-treated braking surface
One of the standout features of the Wind 40C is its braking performance. The braking track is treated with a laser process that removes surface resin to a precision not possible by hand. The result is consistently strong and predictable braking in dry conditions, and up to 30% better performance in wet weather -- a meaningful advantage for a rim-brake carbon wheel.
Two-to-one spoke ratio
The rear wheel uses Fulcrum's patented 2:1 spoke arrangement -- 14 spokes on the drive side versus 7 on the non-drive side. This compensates for the natural tension imbalance caused by the cassette offset, keeping the wheel stiffer and more reactive under hard acceleration.
DRSC directional rim-spoke coupling
An exclusive coupling system that ensures the rim, spokes, nipples and hub all align with consistent tension across every contact point -- contributing to the precise, balanced feel of the finished wheel.
The Wind 40C is a clincher-only wheelset designed for use with quick-release road and triathlon bikes. It is a confident, well-rounded upgrade for any rider looking to add aerodynamic performance without compromising versatility.
- Tyre type: Clincher
- Discipline: Road / Triathlon
- Weight: 1,555 g
- Rim material: Full carbon, unidirectional (Ud) with carbon fibre finish
- Profile height: Medium -- 40 mm front and rear
- Rim width (external): 24.2 mm
- Inner rim width: ETRTO 17C
- Compatible tyre width: 23 mm to 47 mm
- Braking system: Caliper (rim brake)
- Braking surface: 3K carbon fibre with Ac3 laser treatment
- Front axle: Quick-release (Qr)
- Rear axle: Quick-release (Qr)
- Front spokes: 18 (9 left, 9 right)
- Rear spokes: 21, Two-to-one ratio (7 left, 14 right)
- Spoke material: Stainless steel, double butted
- Spoke profile: Aero, straight pull
- Nipples: Aluminium
- Front hub: Aluminium with aluminium flanges
- Rear hub: Aluminium with oversize aluminium flange
- Bearings: Sealed cartridge
- Freewheel: Plasma-treated Hg freewheel, aluminium axle
- Rider weight limit: 109 kg
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