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One of the best value / market price. Very well balanced full-body, of course enhanced to support larger configurations.
This is one of the best value / price! The crankshaft DOPPLER ER1 is a reinforced model, balanced and in full masses, it is really intended for the reinforcement of driving bottom and the performance. The steels used are more upscale, they are treated well and hardened, balancing is dynamic and really neat! 
When talking about finishing at DOPPLER, it does not skimp! The finish is really perfect for such a price. The link is placed on a reinforced crank pin and a much increased cage with anti-friction wedges. Aluminum caps are obviously cover the balance holes. For more pre compression, the masses are extremely full. The lubrication are obviously reviewed and corrected too. The rod is a premium model well drawn, cast manufacturing process. 
In short, this crankshaft will resist to most equipped engines, it offers excellent performance and resistance to scratch. For engines intended are larger and more powerful regimes still be preferred to use the admittedly more expensive but ENDURANCE model designed to support larger engine configuration! 
The rod size, running, the diameter of the bristles are preserved as the original. This model is specific to mécaboite DERBI GPR, driving DERBI euro 1 & 2 with balance shaft / balancer.
Features:
Masses: full
-Soies (Worn bearings) in diameter Ø20mm origin
-Bielle Reinforced size origin 90mm
-Cage Original size Ø12X15X17,5mm
-Course Origin 40.00mm
-Clavetage: Yes
-Comes With its needle cage 
Reference: 478942
Strong and very good quality bearing at an affordable price.
Reference: 459124
A cage available in 2 sets of adjustment! Diameter Ø12 X 16 X 15mm for many applications.
Reference: 5312590
The best original racing crankshafts for GPR.
Reference: 081015
The highest range model in ATHENA for bike 50cc DERBI euro 1 or 2, named hyper racing.
Reference: 090949A
Ideal for a configuration even in 70cc, the Vilo Carenzi is well reinforced, but the price is low!
Reference: 31083750
A good reinforced crankshaft that mounts to virtually any configuration for an unbeatable price.
Reference: CB.12.71
An upscale crankshaft up to the biggest brand who also bear the biggest market configuration without problems. This is a very well-balanced crankshaft, in full mass with improved lubrication.
Reference: 6030004
Original type crankshaft for old DERBI air-cooled engines.
Reference: IM07063
Vilo with bearings and spy tailored to fit together, reinforced model that withstand today an original type of configuration to small 70cc.
Reference: 26908
A mid-range crankshaft of very good quality designed to go up to 14,000 laps!
Reference: CIG-19
A cheap high quality crankshaft which will support large and small 50cc 70cc. Ideal in case of breakage or wear your old crankshaft.
Reference: 5312320
The best original racing crankshaft for Derbi.
Reference: IM07040
A very good crankshaft, reinforced model that withstand today an original type of configuration to small 70cc.
Reference: 435
The most performance crankshaft from ARTEK which can go up to 18,000 revolutions!
Reference: 451391
TEKNIX reinforced crankshaft for engine DERBI euro 1 and 2. A solid model at great price!
Reference: VI02
An upscale crankshaft that will support the highest engine configurations.
Reference: CIG-52
Crankshaft original type for old engines DERBI air cooling.
Reference: CIG-131R
The must of BARIKIT crankshaft. It is perfectly balanced, it is mounted on a reinforced connecting rod which also rests on an increased crankpin.
One of the best value / market price. Very well balanced full-body, of course enhanced to support larger configurations.
