Are 45mm carbon disc wheels suitable for endurance rides?

Yes. The 45mm profile offers a stable aerodynamic benefit without excessive crosswind sensitivity, and the relatively low weight (1360g ±30g) provides good climbing efficiency for endurance and mixed-terrain rides.

Is there a weight difference between 28mm and 30mm rim widths?

Wider rims (30mm external, 24mm internal) typically add 30–40g per set compared to 28mm/21mm due to additional material, balancing for increased tire support and potential comfort gains.

Can these wheels be used on gravel bikes?

Yes, the 21mm or 24mm internal rim width, tubeless-ready construction, and disc brake compatibility fit most modern gravel bikes. Confirm frame/fork clearance and preferred tire size for your setup.

How does the 54T ratchet hub affect power transfer?

The 54-tooth ratchet enables quicker engagement (6.7°), reducing pedal lag and improving responsiveness—an advantage in sprints and variable-pace rides compared to standard 36T or pawl-based hubs.

Are lightweight carbon disc wheels effective for hilly terrain?

Yes. Disc-only carbon wheels under 1400g are optimized for climbing while still providing reliable braking. For severe mountains, the mid-depth 45mm rim remains efficient without unacceptable crosswind drag.

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Bola CLA 45G 45mm Carbon Gravel Disc Wheelset 700C Tubeless

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$468.00 USD

~~$520.00 USD~~ $468.00 USD

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Free shipping | VAT included in EU & USA

Rim Width(Ext/Int) 34/28 mm 36/30 mm 38/32 mm

Casstle Shimano HG Sram XDR Compy

Decal Black Bola White Bola Customized

The Bola CLA 45G Carbon GravelDisc Wheelset 700C

Key Features & Specs

Rim Depth: 45mm aerodynamic profile improves high-speed stability
Rim Width: Choice of 34mm 36mm or 36mm external, 28mm,30mm or 32mm internal
Material: Premium Toray T700/T800 UD matte carbon fiber rim, CNC alloy hub shell
Weight (set): 1390g ±30g
Hub: BL350 with 54T high-engagement ratchet, Enduro bearings, center lock disc
Spoke Count: 24 front / 24 rear (Pillar 1423, 2× cross lacing)
Axle Compatibility: 12×100mm front, 12×142mm rear, QR compatible
Tubeless Ready: Supports direct tubeless tire installation
Brake Type: Disc brake only (center lock mount)
Warranty: 24 months global limited warranty
QC: Multi-stage inspection per EN 14781:2005/A1:2008 standard

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Bola CLA 45G 45mm Carbon Gravel Disc Wheelset 700C Tubeless