BOMwiki the bill-of-materials encyclopedia
30,441,948 parts mapped · 192,925 items

This page is machine-generated and unverified (what this means). Treat details as provisional. If you know this hardware, weigh in or correct it directly with Edit.

Discussion History

Front Hub

Assembly

Fixed central hub carrying the wheel axle and the directly-attached cranks; runs on adjustable ball bearings. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Front Hub parts and their functions

5 top-level parts · 8 parts in total · full bill of materials below
Front Hub parts diagram: 1 hub shell with spoke flanges, 2 front wheel axle, 3 adjustable cone race, 4 ball bearing, 5 oil seal. 8 parts in 5 top-level items.
Front Hub parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Hub Shell with Spoke Flanges 1× Forged steel barrel with two drilled flanges that anchor the 64 radial spokes.
2 Front Wheel Axle 1× Hardened steel axle, square-shouldered at each end so the cranks key onto it and turn the wheel directly.
3 Adjustable Cone Race 2× Adjustable cones
4 Ball Bearing 2× Loose ball race per side
5 Oil Seal 2× Spring-loaded rotary lip seal that keeps lubricant inside a housing and dirt out where a shaft passes through, sized to DIN 3760.

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

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

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Front Hub

5 top-level lines · 5 rows shown · 8 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Hub Shell with Spoke Flanges high-wheel-bicycle-hub-shell 1× 1 · part
2 Front Wheel Axle high-wheel-bicycle-front-axle 1× 1 · part
3 Adjustable Cone Race high-wheel-bicycle-cone-race 2× 2 · part
4 Ball Bearing ball-bearing 2× 2 · part
5 Oil Seal oil-seal 2× 2 · part

Where the front hub is used

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

Used in 1 assembly

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
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
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