PI ROPE wheelset 29" Light 6-hole Bike Ahead Two Six | Golden Shine
Can a cross country wheelset with textile spokes and a weight of only around 900g work? So far, there have been many attempts by well-known manufacturers, but none of them have produced satisfactory results. The young and extremely innovative think tank PI ROPE from Chemnitz, Saxony, has made the impossible possible in collaboration with Chemnitz University of Technology. The result is a textile spoke made from braided Vectran synthetic fibers.
The material is extremely robust, resistant to ageing and weathering and has better mechanical properties than its steel counterpart. The tensile strength and damping are many times higher, but the weight of the fibers is five times lower. These are ideal conditions for a very light, yet durable wheel, as the rotating masses in the important outer areas are minimized and the flexibility of the Vectran textile spokes prevents permanent plastic deformation at high load peaks.
In cooperation with the well-known German component manufacturer NONPLUS COMPONENTS, special hubs were developed to accommodate the special ends of the PI ROPE spokes.
Extra-large bearings support the black anodized hub body on a 17 mm axle. On the rear wheel, two more support the freehub body. Micro-gap end caps seal everything and keep dirt or water away from the inside of the hub. In addition, a unique venting system prevents the build-up of negative pressure due to temperature fluctuations in the hub. As a result, no moisture is sucked into the ball bearings, which ensures a significantly longer service life and noticeably smoother running of the bearings.
The freewheel mechanism is technically exceptional. The bevel gearing has a contact surface that is approx. 400 % larger than conventional spur gearing
spur gears and therefore enables maximum power transmission with minimum wear. Together with the hard anodized surface, the very elaborately manufactured back of the tooth ensures low abrasion and thus additionally increases durability. The 45-fold toothing results in a maximum free travel of 8°. This means you always have optimum propulsion in every riding situation.
To beat the magical 1000 gram sound barrier, however, only one rim comes into question for this wheelset - the ultra-light "TWO-SIX" from the Würzburg carbon forge BIKE AHEAD COMPOSITES. True to the motto: "Limits are there to be crossed!", the rim sets a benchmark in terms of lightweight construction with a weight of 265g. However, the 26 mm rim width also makes it clear that this is functional lightweight construction and not exaggerated minimalism. The TWO-SIX rims have been specially adapted to the requirements of the PI ROPE textile spokes and crown this lightweight icon "Made in Germany".
The makers of PI ROPE have confidence in their products and grant a 3-year warranty on all material and manufacturing defects as well as a 2-year crash replacement.
technical data
Area of application: Cross Country
Wheel size: 29" (ETRTO: 622 x 26 mm)
Rim type: clincher (clincher and folding tires)
Brake type: for disc brakes only
Brake rotor mount: 6-hole
Hub material: Aluminum, steel
Rim material: Carbon
Spoke material: Vectran synthetic fiber
Inner width: 26 mm
Outer width: 29 mm
Rim height: 19 mm
Offset: 3 mm
Number of holes: 28 holes (per rim)
Spokes: 56x Pi ROPE Vectran PI Protect textile spokes / straight pull
Lacing pattern: 3-crossed
Axle standard front: 15x110 mm BOOST
Rear axle standard: 12x148 mm BOOST
Front bearing: 2x industrial deep groove ball bearings
Rear bearing: 4x industrial deep groove ball bearings
Freehub compatibility: 11-speed, 12-speed SRAM XD or 12-speed Shimano Micro Spline
Freehub type: tapered toothing, 45 teeth | max. 8° free travel
recommended tire width: up to 2.4"
max. air pressure: 3.2 bar (43 psi) for 2.1" | 2.5 bar (34 psi) for 2.25" | 2.2 bar (31 psi) for 2.4"
tubeless capable: yes
Maximum system weight: 100 kg (rider, bike, clothing and possibly luggage)
Valve hole: Presta valve (SV)
Rim color: UD-matt black
Color spokes: gold (natural)
Color hubs: black
Weight according to manufacturer: 909g
Weight self-weighed:
Scope of delivery:
1x front wheel
1x rear wheel
1x spare spoke
1x tube of maintenance oil for textile spokes