Drivetrain

Assembly

Lag screws aka lag bolts 002.png · Commons ↗ Report photo

Single-chain drive from the crankset to an 8-speed internally geared rear hub.

Direct parts	6
Total parts	15
Used in	1 assembly
Class	Assembly

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Single-chain drive from the crankset to an 8-speed internally geared rear hub. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Drivetrain parts and their functions

6 top-level parts · 15 parts in total · full bill of materials below

Drivetrain parts diagram: 1 crankset, 2 drive chain, 3 8-speed hub gear, 4 chain tensioner, 5 pedal, 6 chainguard. 15 parts in 6 top-level items. — Drivetrain 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	Crankset	1×	Forged alloy 170 mm cranks with a 38-tooth chainring.
2	Drive Chain	1×	1/2 x 3/32-inch roller chain from chainring to hub sprocket.
3	8-Speed Hub Gear 6 parts	1×	8-speed internal gear hub
4	Chain Tensioner	1×	Sprung jockey wheel taking up chain slack on the long chain run.
5	Pedal	2×	Platform pedal on sealed bearings.
6	Chainguard	1×	Full plastic chaincase keeping clothing and cargo clear of the chain.

3D model

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Build & assembly graph

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Bill of materials for Drivetrain

6 top-level lines · 12 rows shown · 15 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Crankset	cargo-trike-crankset	1×	1	·	part
2	Drive Chain	cargo-trike-chain	1×	1	·	part
3	8-Speed Hub Gear 6 parts	cargo-trike-hub-gear	1×	1	9	assembly
3.1	Hub Shell	cargo-trike-hub-shell	1×	1	·	part
3.2	Helical Gear Pair	gear-pair	3×	3	·	part
3.3	Pawl Set	cargo-trike-pawl-set	1×	1	·	part
3.4	Shifter Cable	cargo-trike-shifter-cable	1×	1	·	part
3.5	Ball Bearing	ball-bearing	2×	2	·	part
3.6	Oil Seal	oil-seal	1×	1	·	part
4	Chain Tensioner	cargo-trike-chain-tensioner	1×	1	·	part
5	Pedal	cargo-trike-pedal	2×	2	·	part
6	Chainguard	cargo-trike-chainguard	1×	1	·	part

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Where the drivetrain is used

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

Bicycles & Cycling 1 Cargo Trike

Used in 1 assembly

Cargo Trike

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 $0.01–$2. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇮🇳Sundram Fasteners sundram.com ↗	Chennai, IN	Fasteners	10,000 pcs	3–5 wks
🇮🇳Lakshmi Precision Screws lpsindia.com ↗	Rohtak, IN	Fasteners	10,000 pcs	3–5 wks
🇨🇳Suzhou Escort escort-fastener.com ↗	Suzhou, CN	Fasteners	10,000 pcs	3–5 wks
🇨🇳Shanghai Tianbao tbfastener.com ↗	Shanghai, CN	Fasteners	10,000 pcs	3–5 wks
🇮🇳Sterling Tools sterlingtools.in ↗	Faridabad, IN	Fasteners	10,000 pcs	3–5 wks