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NOBL ETHOS XC 29" Boost XC Front/Rear Wheels
$1,030.00
NOBL
NOBL ETHOS XC 29" Boost XC Front/Rear Wheels
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Details
Cross Country
1175 Grams
Light when it counts. Tough when it has to be. Berd spokes and a shallow rim profile give Ethos XC race-day weight, with a reinforced layup ensuring real-world durability.
Ultralight. Uncompromised. Unmatched.
Sub 1200 G
Obscenely light, impressively capable. Ethos XC wheels are built for the long haul and save 100g over our lightest TR35 wheelset.
Compliant & Strong
21% stronger than the Ethos SL, with reinforced sidewalls, Ethos XC is built to take on rough terrain with poise. An 18.5mm deep rim profile ensures compliance and grip that you can count on.Ethos Ti70 Hub
The perfect hub: hook-flange ratchet hubs with 70 points of engagement and lightweight titanium freehubs, designed with Berd and Erase
The lightest NOBL rim ever, at a slender 270g, rotational mass is kept to an absolute minimum. They feature 30mm internal front and rear widths, and a 20.5mm depth, delivering optimal torsional stiffness and power transfer for a race-day wheelset with an ultralight layup. Available only in 29” with a full 28-hole spoke count.
The shallowest in the Ethos Series with an 18.5mm depth, these rims are made for the perfect balance of efficiency and compliance. Even with featherweight construction, reinforced sidewalls and layups make the Ethos XC 21% stronger than the Ethos SL. This gives them real-world durability, with the sidewall able to withstand strikes from rocks or debris that gets tossed into the wheel when the going gets rough.
With front and rear specific rim designs, Ethos XC is precisely tuned for XC racing. Up front, a lightweight, compliant construction minimizes rotational mass and enhances grip. Out back, a reinforced layup and wider rim lips increase impact resistance and tire support, engineered to withstand repeated hits.
Specifications:
Rim Specs
- Weight: 270g
- Wheel Size: 29″
- Inner Width: 30mm
- Depth: 20.5mm
- Bead thickness: 2.9mm upper, 2.4mm lower
- Hole Count: 28h
- Max PSI: 40
- ERD: 595mm (Front and Rear)
Wheelset Specs
- rims: Ethos XC 295g front, 385g rear (28h, 29”)
- hubs: NOBL Ethos Ti70, Hook flange, Titanium Driver, 70T ratchet
- hub spacing: Boost
- brake type: Centerlock or 6-Bolt
- freehubs: XD, MS, & HG
- spokes: Berd PolyLight Dyneema
- nipples: Sapim Alloy Black Securlock
- decals: White, Chrome Silver, Chrome Gold, & Black
- Valves: NOBL Tubeless Valves Stock (Upgrades to Peaty’s Valves available)
Specs
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