Cruciform -BGM PRO V2 SPORT- Vespa PX EFL 80cc (V8X1T since no. 100231), 125 cc (VNX2T since no. 232053), 150 cc (VLX1T since no. 624302), 200 cc (VSX1T since no. 315267), T5 125cc (VNX5T), 125 cc, Cosa

Preview: Cruciform -BGM PRO V2 SPORT- Vespa PX EFL 80cc (V8X1T since no. 100231), 125 cc (VNX2T since no. 232053), 150 cc (VLX1T since no. 624302), 200 cc (VSX1T since no. 315267), T5 125cc (VNX5T), 125 cc, Cosa

Description

NEW - BGM PRO SPORT gearshift paddle with three-zone hardening

The BGM PRO SPORT gearshift cross now has three-zone hardening.
Elastic on the inside - maximum resistance on the outside

Inside up to 45HRC
Center 50-55HRC
Outside 58-60HRC

QUALITY
BGM PRO uses a very good base material - a 15CrMo5 (SCM415) chrome molybdenum steel. This case-hardening steel is inherently tough, but its alloying elements (chromium, manganese, nickel, molybdenum) also make it very wear-resistant.

HARDENING
The additional, complex three-zone hardening offers increased wear resistance with maximized protection and durability of the gear components. It is therefore ideally suited to the high demands of today's powerful and high-torque engines. The underlying technical principle ranges from an elastic inner core to a firmer middle section to the stable and resistant outer flanks that engage with the gear wheel.

ADVANTAGE
Compared to a simple hardening (same hardness over the entire component) of a conventional derailleur hanger, the BGM PRO SPORT offers considerable advantages.
Thanks to the elastic core, it can also withstand coarser shifting, while at the same time the flanks are very resistant to wear.

DURABILITY
With HRC 58-60, the BGM PRO SPORT is at the same hardness level as gear wheels. This is the upper limit that we recommend for a derailleur sprocket. Our analyses have shown that some of the available derailleur gears from other suppliers have significantly higher hardness levels. In a conventional and old-fashioned design such as the splined gearbox in Vespa engines, this leads to the gear cross still looking good even after decades, but the gearwheels wear excessively quickly. BGM PRO therefore continues to follow Piaggio's original design concept and allows the gearshift cross to be the component that absorbs the inevitable wear of such a gearbox design instead of the gearwheels.

INSTALLATION TIPS
To optimize the durability of all transmission components, the following points should be observed for largeframe engines:

Gearshift detent without noticeable wear (roller bracket of the detent must not have any play in the bearing)
Correctly distance the gearbox during engine overhaul (maximum play should not exceed 0.4 mm, we recommend staying well below this (ideal: 0.1 mm))
The meshing surfaces of the shift spider in the gears should be flat
Combination type of gear wheels / gear cross / gear shift must match (do not mix PX old (cranked gear cross) and PX Lusso (flat gear cross))
The thread in the gearshift cross is a left-hand thread. To loosen the bolt, unscrew it clockwise.

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€29.90 *

incl. VAT plus shipping costs

Available immediately (delivery time 1-3 working days*)

P For this item you get fidelity point/s

General
EAN:	4251389104186
OEM numbers (for comparison purposes only)
Piaggio	2232255
BGM PRO	BGM6501L
Polini	230.0403.2300403

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