Internal Hub Gear parts and their functions

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

#	Part	Qty	What it does
1	Helical Gear Pair	2×	Planetary gear sets
2	Ball Bearing	2×	Deep-groove radial ball bearing.
3	Gear Hub Shell	1×

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

+ − Fit Expand all Collapse ↗ Share ⤢

BOMwiki

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 Internal Hub Gear

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

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Helical Gear Pair	gear-pair	2×	2	·	part
2	Ball Bearing	ball-bearing	2×	2	·	part
3	Gear Hub Shell	folding-bike-gear-shell	1×	1	·	part

Something wrong in this list? Report a problem with this BOM.

Where the internal hub gear is used

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

• Bicycles & Cycling 1 Folding Bike

Used in 1 assembly

Drivetrain

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 $1–$300. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇮🇳Sona Comstar sonacomstar.com ↗	Gurugram, IN	EV driveline & motors	1,000 pcs	8–12 wks
🇨🇳Zhejiang Shuanghuan shdrive.cn ↗	Yuhuan, CN	Gears & driveline	1,000 pcs	8–12 wks
🇮🇳Bharat Gears bharatgears.com ↗	Mumbai, IN	Automotive gears	1,000 pcs	8–12 wks
🇮🇳ZF India zf.com ↗	Pune, IN	Driveline & chassis	1,000 pcs	8–12 wks
🇨🇳Hangzhou Advance advancegroup.cn ↗	Hangzhou, CN	Gearboxes	1,000 pcs	8–12 wks