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RF-WR DERBI Euro 1-2-3-GPR gearbox all versions
RF version with revised staging, delivered complete, ready to install, the primary and secondary shafts being delivered assembled with all the washers, circlips and other needle cages.
AVAILABLE from 04/20/2021
By buying this product you can collect up to 43 loyalty points. Your cart will total 43 loyalty points that can be converted into a voucher of 8,60€.
Gearbox, can be mounted on all DERBI Senda Euro1, Euro2, Euro3 engines as well as on DERBI GPR engines.
Made in the best steels, with high breaking load and elastic limit, all the pinions have been resized, and we have made changes to the toothing corrections in order to improve the resistance of the teeth.
These boxes allow the power of the Racing Pack to be passed without hindrance.
You will note that this gearbox is delivered complete, ready to install, the primary and secondary shafts being delivered assembled with all the washers, circlips and other needle cages.
All these elements are original DERBI references.
You will find below, grouped in the form of a table, the new stages of each report, in comparison to the original box.
As you can see, appear:
- Z1 = Number of teeth of each primary gear
- Z2 = Number of teeth of each secondary wheel
- Z1 / Z2 = Gear ratio of each gear
- The percentage of the maximum speed on each report, compared to the maximum speed in 6th
- The percentage difference between each report
- The speed at which the engine falls, for changing from a gear higher than 14000rpm
|Staging||Difference||for a shift at 14.000 rpm||Rpm drop|
BIDALOT RF Racing Factory
|Difference||for shfit at 14000 rpm||Rpm drop|
more than 15,000 references
with our partner: Laposte or UPS
from 50 euros purchase in Belgium
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