Equipped with 17-26mm corrosion-resistant stainless bearings on an oversized axle, multi-shaped and individually lapped to micro tolerances. Micro-tuner ensures a very precise bearing setting: minimum bearing friction with highest bearing durability and no play at the rim.
Additional external Soft-Touch O-ring seals keep dust and moisture away from the 2RS bearing seals promoting bearing longevity.
Wide and beefy disc flange reduces spoke stress under braking.
Straight pull spokes increase wheel stiffness, reduce lateral flex and increase reactivity under torque transmission.
Combine HyperBoost3-R with Black-lock and get a super-stiff tricky assembly.
The overall hub system is the world's lightest and employs bigger bearings than most competitors.
Freehub employs 2 corrosion-resistant stainless bearings (6803-2rs), hub shell rotates on a"heavy-duty"
(6903-2rs) corrosion-resistant stainless main bearing that can handle 250kg and low friction (6803-2rs) bearing on the disc side.
The "heavy-duty" 6903-2RS on the disc side is also available as an option.
Bigger bearings are mounted onto a bigger 17mm diameter axle, multi-shaped and individually lapped to micro tolerances.
This creates a stiffer assembly that significantly increases bearing durability and hub stiffness.
Micro-tuner ensures a very precise bearing setting: minimum bearing friction with highest bearing durability and no play at the rim.
Additional external Soft-Touch O-ring seals keep dust and moisture away from the 2RS bearing seals promoting bearing longevity.
The third generation of Extralite's front engagement system increases the gap with the competition.
20% lighter floating-ring enhances engagement quickness and also reduces noise and drag.
Newly developed hub shell splines increase overall lifespan by over 35% and simplify maintenance.
Specifically designed long-life polyurethane Lip seal protects the freewheel mechanism from the elements..
Straight pull spokes increase wheel stiffness, reduce lateral flex and increase reactivity under torque transmission.
Front -
Weight: 74gr.
Material: special 7075TXX
Available Drillings: 24, 28h
Standard: 110mm width, Thru-axle 15mm
Micro-Tuner: super accurate external bearing preload system
Axle construction: 17mm, multi-shaped and individually lapped to micro tolerances
Bearings: 2x6803 2RS sealed stainless cartridges (*option 6803 + 6903)
Sealing: external Soft-Touch O-rings, 2+2 RS bearing seals
Finishing: black anodized body, "hard coat" freehub and axle-ends
Graphics: laser etched
Rear -
Weight: 148g.(28h-XD-HDC)
Material: special 7075TXX
Available Drillings: 24h, 28h
Frame standard: 148mm thru-axle "Rear Boost"
Cassette standards: Sram XD-Drive, Shima M11s or Shima M12s
Freehub system: 3rd generation of Extralite's hyper engineered front engagement
Freehub seals & bearings: durable polyurethane Lip seal, 2x 6803-2RS sealed cartridges
Hub shell seals & bearings: external Soft-Touch O-r seal, 2RS sealed cartridges 6903+6803 (*option 2x6903-2RS)
Axle construction: 17mm, multi-shaped and individually lapped to micro tolerances
Bearing options: ABI Enduro 440-stainless, HDC Ceramic, XD15 Ceramic
Micro-Tuner: super accurate external bearing preload system
Finishing: black anodized body, "hart-coat" freehub and axle-ends
Graphics: laser etched
*Option: 6903-2RS bearing (17-30-7mm) on disc side for heavy-duty use.