
Spring suitable for the following mopeds with Beta 521 engine:
Total length: 103 mm
Ø outer: 17.7 mm
Ø inner: 12.4 mm
Material: stainless steel, electropolished
You will find the corresponding center rods in the accessories section below.
Original spare part number: P8004
| Spring design | Tension spring |
| Ø inside | 13 mm |
| Ø outside | 18 mm |
| Ø wire | 2.5 mm |
| Total length | 105 mm |
| Manufacturer | Pony |
| Length spring hook | 27 mm, 39 mm |
| Material | Chrome steel (colloquially known as stainless steel) |
| Surface | electropolished |
| Area of application | Original |
| Pony / Cilo (Beta 521 & 512) |
Accessories & related products
Main stand | Pony GTX / Cross Beta 521 (P8003S)
Manufacturer: Pony · Material: Steel · Surface: varnished · Color: black · Stand base - center mount (A): 215 mm · Total width of stand base (B): 220 mm · Wide receptacle (C): 64 mm · Ø Receptacle (D): 8 mm · Spring nipple distance - center pivot axis (E): 80 mm · Total height: 250 mm · Pony OEM number: P8003S
EUR 122.40
swiing® revival screw set main stand galvanized | Pony GTX, Cross 521
Drive: External hexagon · Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Screw head: Hexagon · Thread type: M8x1.25 (standard thread) · Number of components: 4 pcs · Width across flats: 13 mm · Pony OEM number: P8008 · Pony OEM number: P8012 · Pony OEM number: P8015
EUR 10.90
swiing® revival screw set main stand Inox | Pony GTX, Cross 521
Drive: External hexagon · Manufacturer: swiing® revival parts · Material: Chrome steel (colloquially known as stainless steel) · Surface: stainless · Screw head: Hexagon · Thread type: M8x1.25 (standard thread) · Number of components: 4 pcs · Width across flats: 13 mm · Pony OEM number: P8008 · Pony OEM number: P8012 · Pony OEM number: P8015
EUR 12.10
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swiing® revival clamp brake cable | Pony / Cilo (P8343)
Ø outside: 12 mm · Manufacturer: swiing® revival parts · Material: Steel · Number of components: 3 pcs · Surface: galvanized (blue) · Thread type: M6x1 (standard thread) · Ø Cable bushing: 2.9 mm · Drive: External hexagon · Total length: 17 mm · Screw head: Hexagon · Thread length: 9 mm · Ø shaft: 8.5 mm · Width across flats: 10 mm
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SIS Tuning Exhaust | Pony / Cilo Beta 521
Ø outside: 60 mm · Manufacturer: Made in Portugal · Material: Steel · Surface: varnished · Color: Chrome · Color: black · Number of fixing points: 2 pcs · Total length: 780 mm · Ø Internal connection: 19 mm · Ø Silencer: 60 mm · Ø Flame tube outside: 22 mm · Exhaust type: Cigar · Flame tube attachment: Flange · Mounting type: Welded lug
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Main stand | Pony GTX / Cross Beta 521 (P8003S)
Manufacturer: Pony · Material: Steel · Surface: varnished · Color: black · Stand base - center mount (A): 215 mm · Total width of stand base (B): 220 mm · Wide receptacle (C): 64 mm · Ø Receptacle (D): 8 mm · Spring nipple distance - center pivot axis (E): 80 mm · Total height: 250 mm · Pony OEM number: P8003S
EUR 122.40





