![ST55-60.png](https://static.wixstatic.com/media/c964b6_cf9aca955ab54bd788e776cdc2a67480~mv2.png/v1/fill/w_609,h_80,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/ST55-60.png)
![r53_st60_1.png](https://static.wixstatic.com/media/c964b6_3714e1675a2849dc9c8eedc791892c83~mv2.png/v1/fill/w_168,h_700,al_c,q_85,enc_auto/r53_st60_1.png)
The ST-55 and ST-60 are multi adjustable coil over dampers. Compression (low and high speed), rebound and bumpstop adjustments are available on these truly versatile and high performing dampers.
Features
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Monotube gas pressurized
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Lightweight
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Body: Aluminium
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Piston:
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​ST55: Ø55mm
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ST60: Ø60mm
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Shaft: Hard chrome plated shaft (super low friction treatment available)
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ST55: Ø22mm
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ST60: Ø25mm
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Bumpstop: Hydraulic (HBS)
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Rebound stop: Hydraulic (HRS)
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Adjustment: Large range of adjustability:
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4 (3+1) way adjustment configuration
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Low speed compression (32 clicks)
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High speed compression (32 clicks)
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Rebound (40 clicks)
- Hydraulic Bump Stop (32 clicks) - Option
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Compression valve:
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Low speed: needle​
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High speed: preloaded shim cage on piston
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Sealing: Oil seal + scraper
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Spring: 70mm or 75mm ID. Colour: R53 orange
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Spring gear: Included to suit spring (other options also available)
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Mountings: 2x rose joints (16mm bore)
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Setting: TBA (customised for each vehicle and application)
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Others:
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All main components are 7000 series aluminium with a steel, hard chrome plated shaft​
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Low hysteresis
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Low friction seals
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Circlip retained sealhead
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Side load support enhancement
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Identification: Dampers serialized for traceability
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Range
​The ST55 and ST60 dampers can be configured in 3 different ways in order to accomodate different technologies for different demands:
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![r53_st55-1](https://static.wixstatic.com/media/c964b6_37d275b8f28e4c649684f675db473396~mv2.png/v1/fill/w_176,h_700,al_c,q_85,blur_3,enc_auto/c964b6_37d275b8f28e4c649684f675db473396~mv2.png)
![r53_st55-2](https://static.wixstatic.com/media/c964b6_4abfd05cb213433ab14332dd10b865a9~mv2.png/v1/fill/w_90,h_175,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/c964b6_4abfd05cb213433ab14332dd10b865a9~mv2.png)
![r53_st55-5](https://static.wixstatic.com/media/c964b6_8afdcffd6cb94153971af7a952b15dd3~mv2.png/v1/fill/w_70,h_51,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/c964b6_8afdcffd6cb94153971af7a952b15dd3~mv2.png)
![r53_st55-3](https://static.wixstatic.com/media/c964b6_409b93f5ea3d4c17bb4fabcdb29dce67~mv2.png/v1/fill/w_70,h_43,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/c964b6_409b93f5ea3d4c17bb4fabcdb29dce67~mv2.png)
![TGRSA1000(2021)_IMG_4320_edited.jpg](https://static.wixstatic.com/media/c964b6_e1699f6c572d45aeaf4435bc09bc22c2~mv2.jpg/v1/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/TGRSA1000(2021)_IMG_4320_edited.jpg)