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Rotor 3D+ QXL Ring


Price Range :: $920.00 - $930.00
Weight Range :: 670g
THIS ITEM IS ELIGIBLE FOR FREE SHIPPING.
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Description ::

[B]Crank[B]

The 3D+ is ROTOR’s most technologically advanced and lightest UBB30 crankset. Its brings Giro d’Italia and multiple world championship...

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price :: $920.00
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price :: $920.00
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price :: $920.00
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price :: $920.00
call for stock
quantity ::
price :: $930.00
call for stock
quantity ::
price :: $930.00
call for stock
quantity ::
price :: $930.00
call for stock
quantity ::
price :: $930.00
call for stock
quantity ::
price :: $930.00
call for stock
quantity ::
price :: $930.00
call for stock
quantity ::
price :: $930.00
call for stock
quantity ::

2014, Rotor, 3D+ QXL Ring



[B]Crank[B]

The 3D+ is ROTOR’s most technologically advanced and lightest UBB30 crankset. Its brings Giro d’Italia and multiple world championship winning technology to almost all bicycles, irrespective of their BB type.

The 3D+ uses a refined and lighter version of the 3D’s trinity drilling system hollow construction, leaving behind a structure similar to a box-girder bridge. This allows the crank to resist rotational and bending forces better than a simple hollow tube construction can.

The 100% aluminium construction of the 3D+ forgoes the use of trendy materials and stays true to its goal of delivering unrivalled performance at its weight level. By doing so it offers aluminium stiffness at a lower weight than most high end carbon cranks! With the use of our Trinity Drilling System to hollow out the crank arms and the application of our super stiff and ultra-compatible UBB30 axle, it offers a new level of performance for quality bike builds of any brand, era and type.

ROTOR's bombproof trinity drilled crank arms resist bending and twisting forces better than classic hollow tube crank designs can. ROTOR’s crank arms are stiffer than the competitions forged products due to our Trinity Drilling System. This process drills three full-depth holes from axle to pedal, leaving behind a boxtrellised structure (similar to box bridges). This gives our crank arms superior rigidity and an exceptional stiffness-to-weight ratio.

QXL Chainrings

The new ROTOR QXL is a Q-Ring with increased ovalization. They have a similar shape to standard QRings, ensuring exceptional drivetrain stability. QXL rings do not replace standard Q-Rings, rather complement them as each is optimized for different rider profiles and situations.

We believe that standard Q-Rings offer an optimal adaptation-stability-biomechanical balance for most cyclists. However, we are aware of scientific research and feedback from pro riders that shows that greater ovality can be desirable and useful for certain athletes since not all riders have the same muscle build, riding form, or pedaling style.

The feedback was positive from many professional riders previously wary of Q-Rings. These athletes reported an improved cycling experience when pedaling out of the saddle and accelerating.

QXL chainrings are most noticeable when riding in conditions of high power delivery and consistent maximum (peak) effort, like time trials, sprints, breakaways, etc.

The QXL rings are designed more for a type of rider rather than a specific cycling discipline “Powerful” riders with larger muscle mass that produce a higher peak and average power output typically prefer QXL rings. For example, sprinters tend to have predominantly fast twitch muscle build. This makes an increased degree of optimal ovality because these riders benefit from the decreased negative work offered by the enlarged ovality. Q-Rings can increase an avid cyclist’s performance by as much as 4 seconds per km in a sprint – that’s twice the benefit of an aero wheelset! Professionally, athletes who have chosen to ride them have put to rest any doubts about their performance by winning two grand tours, more than 25 Ironman races and over 20 UCI elite Road, MTB and CX world champion titles.

Q-Rings boost your performance by varying drivetrain resistance during pedalling in line with your legs natural strengths and weakness. They make better use of the strongest muscle groups (increasing positive work) and compensate for the weaker zones in the pedalling stroke (reducing negative work).


Options:
  • Rotor 3D+ QXL Ring | Black | Aluminum | 165.00 | 30.00 | 7.00 | 53-38
  • Rotor 3D+ QXL Ring | Black | Aluminum | 170.00 | 30.00 | 7.00 | 53-38
  • Rotor 3D+ QXL Ring | Black | Aluminum | 172.50 | 30.00 | 7.00 | 53-38
  • Rotor 3D+ QXL Ring | Black | Aluminum | 175.00 | 30.00 | 7.00 | 53-38
  • Rotor 3D+ QXL Ring | Black | Aluminum | 170.00 | 30.00 | 7.00 | 52-36
  • Rotor 3D+ QXL Ring | Black | Aluminum | 172.50 | 30.00 | 7.00 | 52-36
  • Rotor 3D+ QXL Ring | Black | Aluminum | 175.00 | 30.00 | 7.00 | 52-36
  • Rotor 3D+ QXL Ring | Black | Aluminum | 165.00 | 30.00 | 7.00 | 53-41
  • Rotor 3D+ QXL Ring | Black | Aluminum | 170.00 | 30.00 | 7.00 | 53-41
  • Rotor 3D+ QXL Ring | Black | Aluminum | 172.50 | 30.00 | 7.00 | 53-41
  • Rotor 3D+ QXL Ring | Black | Aluminum | 175.00 | 30.00 | 7.00 | 53-41

SHIPPING

  • Free GROUND shipping for orders of $150 or more to the lower 48 states (excluding oversized items such as bike frames, wheelsets, etc.) Free shipping takes 7-10 days for delivery
  • Questions? USA call us at 1-866-497-3624; International call us at +1-510-841-4748 or email us at sales@wrenchscience.com

RETURNS/EXCHANGE

  • 30 Days upon delivery of order – NO RESTOCKING FEES
  • Returned product(s) must be in unused, uninstalled, and with all original packaging material(s) and original packaging.
  • Wrench Science will cover return postage on faulty item(s) – Return Policy.
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