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30,441,948 parts mapped · 192,925 items

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Discussion History

Main Frame

Assembly

Welded aluminum or chromoly recumbent frame: a long backbone tube carrying a low seat between two rear wheels and a forward boom holding the steered, driven front wheel. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Main Frame parts and their functions

5 top-level parts · 5 parts in total · full bill of materials below
Main Frame parts diagram: 1 backbone tube, 2 front boom, 3 rear axle cross tube, 4 seat mount bracket, 5 fastener set. 5 parts in 5 top-level items.
Main Frame parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Backbone Tube 1× Central spine tube
2 Front Boom 1× Forward crank/wheel boom
3 Rear Axle Cross Tube 1× Cross tube for rear wheels
4 Seat Mount Bracket 1× Seat frame interface
5 Fastener Set 1× Frame hardware

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

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Bill of materials for Main Frame

5 top-level lines · 5 rows shown · 5 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Backbone Tube hand-cycle-backbone-tube 1× 1 · part
2 Front Boom hand-cycle-front-boom 1× 1 · part
3 Rear Axle Cross Tube hand-cycle-rear-axle-tube 1× 1 · part
4 Seat Mount Bracket hand-cycle-seat-mount 1× 1 · part
5 Fastener Set fastener-set 1× 1 · part

Where the main frame is used

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

Used in 1 assembly

Handcycle

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–$200. How estimates work
VendorHQSpecialtyMOQLead time
🇮🇳Bharat Forge
bharatforge.com ↗ 		Pune, IN Forgings & metal parts 500 pcs 6–10 wks
🇨🇳CITIC Dicastal
dicastal.com ↗ 		Qinhuangdao, CN Aluminium castings & wheels 500 pcs 6–10 wks
🇮🇳Tata AutoComp
tataautocomp.com ↗ 		Pune, IN Auto components 500 pcs 6–10 wks
🇸🇬Beyonics
beyonics.com ↗ 		Singapore Precision metal & mfg 500 pcs 6–10 wks
🇮🇳Sundaram Clayton
sundaram-clayton.com ↗ 		Chennai, IN Die castings 500 pcs 6–10 wks