• Section diagram of 700C carbon rim, 35mm height, 25mm outer, 18mm inner width
  • Close-up view of 700C carbon rim surface finish and spoke hole layout
  • Detail of 700C carbon rim tubeless-ready design, close-up on hookless bead structure
  • Matte carbon fiber weave finish on 700C lightweight 35mm rim
  • 700C Carbon Rim 35mm Low Profile Tubeless | 365g | 25mm Wide | Hook/Hookless Bola
  • 700C Carbon Rim 35mm Low Profile Tubeless | 365g | 25mm Wide | Hook/Hookless Bola
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Bola 700C 35mm Carbon Tubeless Rim | 25mm Wide Road Gravel XC

Bola 700C 35mm Carbon Tubeless Rim | 25mm Wide Road Gravel XC

$310.00 USD
$350.00 USD $310.00 USD
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Weave
Spoke QTY
Weight

Size: 700C

The Bola 700C low-profile carbon rim — a 35mm-deep, narrow 18-20mm-internal hoop (365-400g) built for climbing and mixed surfaces.

The neutral-handling lightweight: a 35mm low-profile U-shape and a narrow inner channel deliver a calm crosswind feel at a featherweight — built for riders who want climbing agility and mixed-surface versatility.

Buying Guide.

Weight tier - Superlight ~365g: the Ultralight climber's build - fast spin-up for mountainous gran fondos and mixed-surface rides.

Weight tier - Standard ~400g: the Light-grade durability build - choose it for training miles and larger riders.

Internal width - 18mm (20mm option): a narrow, fast platform for 21-30mm tires - choose it for climbing and speed, not for wide-tire comfort.

Same-family: this is the narrowest, lowest-profile road rim; favour it for climbs and mixed terrain over deep aero racing.

Rated to a 105kg system weight; confirm rim vs disc brake at order.

Target Audience & Usage Notes.

Climbers, gran fondo, road and light gravel; not deep-aero racing.

Max system weight 105kg.

Note: brake compatibility (rim vs disc) should be confirmed at order.

The Ride That Awaits.

Climb out of the saddle and it comes alive instantly - a narrow, light hoop that spins up like a feather, made for mountainous gran fondos where grams are king. The low, neutral profile never twitches, even when the road kicks up. Choose the superlight layup and build a nimble wheelset; a 3-year rim warranty lets you attack the hills.

Specifications
Size: 700c
Material: Genius Toray carbon fiber
Rim Depth: 35mm
Bead Type: Hooked
Inner Width: 18mm
Outer Width: 25mm
ERD (Effective Rim Diameter): 569
Weight Tier: Superlight (365±15g) / Standard (400±15g)
Trade-offs & Considerations
Aero vs Crosswind: The 35mm depth saves about 2.5W versus a 28mm rim at 40km/h; at 10° yaw the narrow 25mm outer width keeps the side-wind signature low, making it a calmer climbing rim than a 50mm section.
Weight vs Stiffness: The Superlight tier (365g) saves about 35g versus the Standard tier (400g) at the same 35mm depth (±5g); lateral stiffness holds within 3%, and the thinner layup is best for lighter riders.
Tire-Type Trade-off: The hooked bead accepts clincher and tubeless tyres from about 25c to 32c on the 18mm inner width; tubeless runs lower pressure but needs tape, valve and sealant, while the narrow inner width favours 28c road tyres over wide gravel.
Sourcing & Delivery Trade-off: Stock drilling ships in 1–3 business days at $310; custom spoke-hole count or decals add 7–15 business days and roughly a $40–80 premium.
Performance Test Data
Fatigue Test: 750,000 cycles @640N (ISO 4210-7 Annex A, informative only)
Impact Resistance: >60J (Higher than ISO 4210-7)
Flatness: <0.25mm (internal QC)
Roundness: <0.3mm (internal QC)
Max Spoke Tension: >350 kgf (internal QC, spoke breaking tension)
Ultimate Strength: >200 kgf (internal QC, static spoke-hole point load)
Dynamic Equilibrium: <3g (internal QC)
Radial Stiffness: 90–110 N/mm (internal lab)
Lateral Stiffness: ≥8N/mm
Max System Weight: 105kgs
Recommended Use Cases
Road Training Build: The hooked 18mm bed takes 25-32c clincher or tubeless tyres, so laced to a standard rim-brake hub this 35mm rim makes a durable 700c training wheelset with 750,000-cycle ISO fatigue testing and a >60J impact pass.
Climbing / Race-Weight Build: The Superlight tier lands at 365g - about 35g under the 400g Standard - while the 25mm outer width keeps crosswind handling calmer than a 50mm section on hilly road days.
Light Gravel / All-Road Build: Mount a 32c tubeless tyre for light gravel and broken tarmac; the narrow 18mm bed favours 28-32c rather than wide gravel volumes.
Not Recommended For: Wide gravel tyres over 32c, or riders over the 105kg system limit on the Superlight layup.
Compatibility
Frame Compatibility: Road hardtail frames accepting 700C rims,QR 130mm
Tire Type: Tubeless-ready (hooked and hookless)
Tire Width Range: 21-30mm
Brake Standard: Rim brake
Drivetrain: Compatible with all drivetrains (frame dependent)
Rotor Standard: Requires hub with rotor mount (6-bolt or centerlock)
How It Compares
ModelWeightDepthWidthPrice
700C 35mm Rim 25mm Superlight (365±15g) / Standard (400±15g) 35mm 25mm See store
ICAN AERO 40 II Disc 1177g 40mm 23mm internal $770
Mavic Cosmic SLR 32 1390g 32mm 21mm $2,729
Fulcrum Wind 40C 1555g 40mm 17mm inner (ETRTO 17C) €1,349
FAQ
Which tyres fit on the 18mm inner rim, and what pressure suits me?
The 18mm inner width is built for 25mm–32mm tyres — a 28mm for road, a 32mm for light gravel; it is a hooked bed, so standard clinchers mount directly.
How do I work out the right spoke length for this rim?
Contact Bola for the exact ERD before ordering spokes. Once we confirm the figure, plug it into a known calculator (Sapim / DT) and add the recommended correction.
What is the maximum spoke tension I can run on this rim?
Drive-side / disc-side max tension is 130–140 kgf, with the non-drive side adapted to match; spoke holes are locally reinforced inside the carbon layup to prevent pull-out cracking.
Do these rims accept standard clincher tyres, and is there a pressure cap?
Hooked rims fit standard clincher tyres directly, no hookless pressure cap applies.
Will I really pay no customs or VAT for delivery to the US and EU?
Yes. The Economy channel ships DDP — duties and VAT are fully prepaid by us, cleared in advance, delivered to your door with no extra payment to customs or the courier.
Warranty & Shipping
Warranty Period: 3 years
Crash Replacement: 30% discount on replacement parts within 1 year of the original purchase date
Processing Time: In stock: 1–3 business days · Out of stock or custom order: 7–15 business days
Shipping method: FedEx/UPS/DPD/EMS Economy (free with duties & VAT included in USA & EU) · Expedited option available
Estimated Delivery: Economy 7–20 business days · Expedited 3–7 business days, customs clearance excluded
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