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INTEGRATED REAR DERAILLEUR
INTEGRATED REAR DERAILLEUR
Cable Shifting
Very compact design: in both lateral footprint and ground clearance, particularly adapted to MTB.
Very protected, natively protected: due the small lateral footprint the frame protects the derailleur.
Very accurate: as the derailleur body is fixed to the frame (no articulation), the guiding pulley is accurately positioned to the corresponding cog.
Very accurate: The cable sleeve is straight, no more rear cable loop or diverting pulley.
Due to the position near to the swinging arm axle, the none dampered inertia of the chain loop and the derailleur is very reduced to standard deign. This offers an improvement of the damping of the rear wheel.
Very durable: as the number of chain links is higher than standard design, the stress and the wear per tooth is significantly reduced.
Rear wheel simple to dismantle: As the Integrated derailleur is positioned in front of the cassette, dismantling the rear wheel is easy.
This specific design allow to say that the Integrated Rear Derailleur can be considered as an alternative the a gearbox, thus saving weight and cost
The modular design of the Integrated Derailleur offers a better logistic of the production. The mechanical assembly is shared by both the mechanical actuation and the electronic actuation.
Furthermore, as the Integrated Derailleur is located between the wheel and the frame, more space is available. For the electrical version the miniaturisation of the mechanism is no more an issue.
Thus, these two features give a strong advantage in cost and reliability.
Integrated rear derailleur improves significantly shifting performance as:
· It delates the rear loop or deviation pulley. This leads to a reduction of shifting efforts and an improvement of the accuracy.
· It delates the articulation axis (the derailleur is assembled to the frame) This leads to an improvement of the accuracy.
The integrated rear is then very well suited for urban bike and gravel bike.
MSCL-Engineering rear derailleur improves the ground clearance drastically. As described in the picture, in the red colour dot, the location of the derailleur drum of standard derailleur. It is located 30 to 40 mm lower than the MSCL-Engineering one. This value can be even increased with a better integration by modifying the shape of the swing arm.
The length of the cage depends upon the largest cassette cog, so that the ground clearance can be increased by 30 to 40mm, and even more.
With such improvements of the ground clearance and the lateral footprint, why is the market still trying to standardize rear derailleur fixing location next/within the wheel axis?
Changing the location of the rear derailleur will offer the riders many new performances in shifting.
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