The facts.
| Part number | G95LA009 |
|---|---|
| Type | Clamp / spring |
| Material | Stainless steel |
| Dimensions | Ø 53.5 mm |
| Fitment | Universal |
| Road approval | None — track use only |
| Nominal diameter | 53.5 mm |
| Pipe range | 52 to 55 mm |
| Origin | Made in Italy |
| Manufacturer | Spark Exhaust Technology, Mantova |
DescriptionThe whole story▼
Fifty-three and a half millimetres nominal, quoted by Spark for pipes between fifty-two and fifty-five. The size that fits a fifty millimetre tube inside a fifty-two millimetre sleeve.
Key Features
- Exhaust clamp, nominal Ø 53.5 mm.
- Suitable for pipes from 52 to 55 mm, per Spark.
- Spark part number G95LA009, made in Mantova, Italy.
The Sleeve Size Clamp
Spark builds its tube and bends at fifty-two millimetres precisely so that fifty millimetre pipe slides into them. This is the clamp that closes around the outside of that assembly.
Between the 52 mm tube, the 50 mm pipe and this clamp, a serviceable joint at the most common exhaust diameter needs three catalogue articles and no fabrication.
Tightening It
Enough to hold, not enough to crush. A thin-wall stainless sleeve goes oval under an overtightened clamp, and an oval sleeve will not come apart again without a fight. If the joint still moves when the clamp is properly tight, the fault is the fit rather than the fastener.
Where a Clamp Beats a Spring
Where the joint has to be reasonably gas-tight, and where there is no room to hang springs. Where the run needs to move as it heats, a spring is the better answer — a system clamped rigidly at both ends puts its expansion into the welds.
Ordering
One per joint. Spark also lists 43.5, 47.5 and 63.5 millimetre clamps.
FitmentWhich bikes this fits▼
Universal product — Please check whether it fits your bike.
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