Air Cartridge

Assembly

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A self-contained hydraulic-pneumatic unit with air spring, damper shims, and check valves, pressurized at 200–300 psi.

Direct parts	5
Total parts	6
Used in	1 assembly
Class	Assembly

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A self-contained hydraulic-pneumatic unit with air spring, damper shims, and check valves, pressurized at 200–300 psi. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Air Cartridge parts and their functions

5 top-level parts · 6 parts in total · full bill of materials below

Air Cartridge parts diagram: 1 cartridge body, 2 piston rod, 3 spring seal, 4 damper stack, 5 ball bearing. 6 parts in 5 top-level items. — Air Cartridge parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Cartridge Body	1×	Hardened steel cylinder housing
2	Piston Rod	1×	Polished rod linking air spring to cable plunger
3	Spring Seal	1×	Dual seal preventing air leakage under pressure
4	Damper Stack	1×	Shim-stack controlling descent speed
5	Ball Bearing	2×	Pivot points for damper valve flapper

3D model

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Build & assembly graph

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Bill of materials for Air Cartridge

5 top-level lines · 5 rows shown · 6 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Cartridge Body	dropper-seatpost-cartridge-body	1×	1	·	part
2	Piston Rod	dropper-seatpost-piston-rod	1×	1	·	part
3	Spring Seal	dropper-seatpost-spring-seal	1×	1	·	part
4	Damper Stack	dropper-seatpost-damper-stack	1×	1	·	part
5	Ball Bearing	ball-bearing	2×	2	·	part

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Where the air cartridge is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Bicycles & Cycling 1 Dropper Seatpost

Used in 1 assembly

Dropper Seatpost

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks