Bola 700C 28mm Tubeless 5 Spoke Carbon Wheel
Bola 700C 28mm Tubeless 5 Spoke Carbon Wheel
Regular price
$650.00 USD
Regular price
$750.00 USD
Sale price
$650.00 USD
Free shipping | VAT included in EU & USA
Quantity
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The Bola 700C 5-spoke carbon aero wheel - a wavy 5-spoke wheel, 28mm outer / 22mm internal, ~800g front / ~2000g pair, with a 36T ratchet hub, for TT/tri/track.
Five curved blades, one smooth sentence written in wind - a 5-spoke that is more composed in gusts than a disc, more slippery than any spoked wheel.
Buying Guide.
Racing role: a crosswind-tolerant aero front for TT, triathlon and track - five blades that cut drag yet stay calmer than a disc.
Profile choice: the wavy five-blade shape favours fast, variable-wind race courses over flat-only specialists.
Hub engagement: the quick ratchet hub suits surging out of corners and off the line.
Family comparison: the 3-spoke 120mm wheel ($650) is sleeker but less wind-stable; the 31mm 5-spoke tri wheel ($650) runs a wider tyre bed.
Specify front or rear; tubeless race tyres, respect the system weight limit.
Target Audience & Usage Notes.
triathletes, TT and track riders wanting a crosswind-tolerant aero front.
Disc brake, Center Lock, Shimano/SRAM; 28-35mm tubeless.
Front or rear per order; full pair ~2000g.
The Ride That Awaits.
Under power the five blades feel stiff and purposeful; out of a corner the 36T hub clicks in and you are already gone, the wavy profile calm even when the wind turns sullen.
Free shipping and a 2-year wheelset warranty support the setup.
Specifications
Size: 700c
Carbon Grade: Toray T700/T800
Rim Depth: 55
Bead Type: Hooked
Inner Rim Width: 22
Outer Rim Width: 28
Hub Model: Bola/DT Swiss 350 36T
Spoke: Five Carbon
Bearing Type: Steel
Complete Wheelset Weight: 800g (tape & valve excluded, ±2% tolerance)
Accessories: N/A
Trade-offs & Considerations
Aero vs Crosswind: The 5-spoke fixed-blade wheel trades a little top-end aero versus an 80mm deep TT wheel for calmer handling at 10° yaw on exposed roads; at 40km/h it still saves about 5.0W versus a 32-spoke shallow rim.
Weight vs Stiffness: At 800g the fixed foil blades save roughly 100g versus a comparable spoked wheelset while being laterally stiffer, so there is no spoke tension to true; the trade-off is a slightly harsher vertical ride feel.
Tire-Type Trade-off: The hooked bed accepts clincher and tubeless tires from about 28c to 35c; tubeless cuts rolling resistance and lets you run lower pressure, but needs tape, valve and sealant to seal the bed.
Sourcing & Delivery Trade-off: The stock build ships in 1–3 business days; a custom decal or hub option adds 7–15 business days and roughly a $60–100 premium.
Config Ladder: The steel-bearing ratchet hub upgrades to ceramic bearings for about +$100 and cuts about 1.5W of hub friction; moving to a deeper blade profile then trades crosswind calm for a few more watts.
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: >300 kgf (internal QC, static spoke-hole point load)
Dynamic Equilibrium: <3g (internal QC)
Radial Stiffness: 90–110 N/mm (internal lab)
Lateral Stiffness: 48
Spoke Tension (Drive Side): >130 kgf (factory assembly tension)
Max System Weight: 110kg
Recommended Use Cases
Sprinting / Criterium: Suitable
Triathlon / TT: Excellent
Road Racing: Good
Gran Fondo / Endurance: Suitable
Climbing / Hill Repeats: Not recommended
Not Recommended For: Off-road, gravel, or rough terrain
Compatibility
Frame Compatibility: Standard road fork with 100mm spacing
Tire Type: Tubeless-ready
Tire Width Range: 28-35mm
Brake Standard: Rim
Axle Standard: 12x100mm(F)/12x142mm(R)
Drivetrain: Shimano/SRAM road cassette
Rotor Standard: N/A
How It Compares
| Model | Hub | Spoke | Bearing | Weight | Depth | Width | Price |
|---|---|---|---|---|---|---|---|
| 700C 5-Spoke | 36T ratchet, 10° engagement | Foil carbon, 5-spoke | Steel | 800g | TBD | 28mm | See store |
| Model A (adapted reference) | Straight-pull road hub | Bladed steel | Ceramic | ~780g | 52mm | 28mm | $1,200 |
| Model B (adapted reference) | Straight-pull road hub | Bladed steel | Steel | ~740g | 40mm | 28mm | $900 |
| Model C (adapted reference) | Straight-pull road hub | Bladed steel | Steel | ~750g | 50mm | 28mm | $800 |
FAQ
Which tyres fit and what pressure should I run on the 22mm internal bed?
The 22mm internal bed suits 28–35mm tubeless tyres; a 28mm runs at 70–80 PSI and a 35mm at 50–60 PSI, then tune to feel.
Will this wheel work with my road cassette?
The DT Swiss 350 ratchet hub (36T) takes a standard road freehub; tell us your groupset at checkout and we fit the matching driver.
How does this deep rim handle crosswinds on descents?
An optimised profile keeps steering torque predictable at 10°–15° yaw, so high-speed descents stay planted.
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: 2 years
Crash Replacement: 30% discount on replacement parts
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
