Rotor Bike Components

Rotor Bike Components

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Initially designed with the input of a pro team "The 3D cranks are the first cranks to have been designed with the input of a pro cycling team together with our ROTOR engineers," said Ignacio Estell's, President ROTOR Bike Components. "Drawing on a wealth of technical experience, this innovative product was developed collaboratively with Cervelo's engineers, Test Team riders and the Test Team's mechanic staff. We are passionate about supporting the riders, because they need these products in order to do their job well."

"We have a four step protocol for product development with the TestTeam," explained Damon Rinard, Cervelo Test Team Race Engineer. "A partner, in this case, ROTOR develops and tests the proposed new product. We then review it and check the in-house data, testing it in different riding situations. Then the Cervelo Test Team mechanics install it and the riders try it in training; both provide us with their feedback.

Once it's been approved at these three levels, the product is then available for the fourth level: use in races."

The result is the 3D Crank - extremely stiff, to meet the high demands of Thor Hushovd and the Test Team's sprinters, yet lightweight enough to satisfy the needs of Carlos Sastre and the climbers on the team.

Utilising a special manufacturing process, named the "Trinity Drilling System," an extruded aluminum bar is intricately CNC machined with three drilled holes through the length of the crank. The result is a unique triple hollow crank arm that enables ROTOR's engineers to remove the excess aluminum in the core while still maintaining the structural strength of the crank. With this new system ROTOR has significantly improved the Hollowminum technology they developed for their Agilis Evo cranks.

No attention to detail has been missed by ROTOR; even the graphic design on the 3D Cranks is unique with their impressive laser graphics.

3D crank uses a new variant of DTT Evo technology in the left crank.

3D crank has evolved the Agilis Evo design in fixing the axle to the right crank. The left crank is now used to assemble or disassemble the crankset with a low torque axle end bolt and the new DTT Evo clamping bolt. The opposite paired bolt system (the most common in the market) is no longer needed. Please see the enclosed a picture which explains the update design.

Instead of the opposite paired bolts, an oversized DTT Evo bolt distributes the load forces along the thread. 3D cranks installation is completely conventional but with improvements in both the efficiency and stiffness of the axle-crank interface.

In order to avoid overtightening, ROTOR 3D cranks include a replaceable threaded bushing between the crank and the bolt.

In case of bolt failure due to overtightening, the crank is not affected and is easily repaired.


Rotor 3d 24 crank


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