

Control the Adventure
The G-25 wheels are your go-to to go far. Low on weight and high on reliability, they are the ultimate 650b wheelset for the gravel adventurer.
Highlights
- 25mm internal width carbon rim allows you to run wider tires, at lower pressures, for a smoother ride and greater traction
- Optimized with DT Swiss Aerolite spokes for unparalled aerodynamics and durability.
- Built with our custom straight pull HollowGram hub shell and reliable sealed cartridge bearings for ease of service and performance
- At 1450g a pair the G-SL 25 is light without compromising strength
- A limited lifetime warranty to give you peace of mind
- Lefty Oliver & 100x12 thru-axle compatible
Control the Adventure
HollowGram SL: No Compromises
HollowGram SL wheels rise to even higher speeds. Top-shelf DT Swiss Aerolite spokes are paired with custom HollowGram hub shells. Ultra-reliable DT Swiss 240 EXP internals at the rear bring a 36-tooth freehub ratchet for instantaneous pedaling engagement while minimizing mechanical drag. In HollowGram speak, SL means weight is lowered, responsiveness is increased, and efficiency is maximized.Specs
Details
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Platform
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Model NameG-SL 25 Front Wheel
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Model CodeHP8602U
Wheels
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Front HubHollowGram 12x100mm / HollowGram Lefty 50, sealed bearing, 6-bolt, 24h, straight pull
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Rim Depth22mm
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Rim Outer Width33mm
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Rim Inner Width25mm
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Rim TypeCarbon clincher, hooked, tubeless ready
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Nipple TypeSapim Secure Lock, alloy
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Effective Rim Diameter558mm
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Maximum Spoke Tension100-130 kgf
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Max Tire Pressure60 psi
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Brake TypeDisc
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Rider Weight Limit111kg/245lbs
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Spoke Count24h
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Spoke Length (NDS-DS)279mm / 279mm
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Spoke TypeSapim CX-Ray - radial DS / 3-cross NDS (100x12) / 2-cross (Lefty)
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Wheel Size650b
Extra
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Extra 1Tubeless tape, tubeless valves
Weight: 1450g (pair)
- Bike and frame weights may vary in final production.
Please note that, based on component availability and other factors, specifications are subject to change without notice.