BGM 57mm stroke crankshaft
for Vespa Sprint150, GL150, GT125, GTR125, VNB, VBA, VBB, T4, Super
BGM 57mm stroke crankshaft
for Vespa Sprint150, GL150, GT125, GTR125, VNB, VBA, VBB, T4, Super
- Description
- Fitting
Description
The BGM crankshafts are forged just like in the good old Piaggio days. During forging, the material is pressed together under temperature and at high pressure. This results in a higher density of the material. Heat is dissipated much better. The material is more resistant to distortion. This is a huge advantage over the remanufactured crankshafts from other manufacturers whose materials often do not even reach the level of a standard shaft.
Tuning:
The high quality of the material used also allows the use of very lightweight pole wheels without the risk of crankshaft damage. As a result, better acceleration behavior can be combined with significantly increased engine durability. This is particularly important on high-capacity and high-speed engines.
Control angle:
The control angles of this crankshaft are the same as those of a standard shaft.
It is therefore equally suitable for building a standard 125cc engine as well as a solid 177cc road tuning.
The precise manufacturing, the material used and the good storage enable tens of thousands of kilometers of mileage without any problems.
Design:
crankshaft with so-called small cone (so-called sprint engine of the first series). Such waves can be recognized by the diameter of the alternator-side shaft sealing surface. This is the surface that is located on the crankshaft stump after the cone but in front of the limalager's bearing seat. Identification is even easier using the unusual pole wheel nut with the thread size M11x1.50 with collar.
- Lima Wedi sealing surface Ø: 20mm
- Control angle: standard
- Stroke: 57mm
- Conrod length: 105 mm
- Top rod bearing: 15mm
About the manufacturer BGM
BGM is a leading brand for high-quality spare parts and accessories for scooters, motorcycles and classic Vespa models that stands for quality, precision and innovation. With an uncompromising “Made in Germany” philosophy, BGM develops durable products in collaboration with leading engineers and under strict quality controls. Whether restoring vintage cars or tuning modern scooters — BGM is the first choice for discerning drivers. Thanks to first-class workmanship and a wide range of products, BGM offers ideal solutions for performance, everyday use and individuality.
Technical data
Global | |
|---|---|
| Item number |
BGM-7700010
|
| Manufacturer number | 7700010 |
| Manufacturer | BGM |
| Net weight | 1370 g |
| Type | Crankshaft |
Ratings
5
4
3
2
1
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Information about the manufacturer
| Product | BGM 57mm stroke crankshaft for Vespa Sprint150, GL150, GT125, GTR125, VNB, VBA, VBB, T4, Super |
| Manufacturer |
SCOOTER CENTER GmbH |
| Responsible person |
SCOOTER CENTER GmbH Kurt-Schumacher-Str. 1 50129 Bergheim-Glessen Germany |