Drivetrain

Assembly

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

3-piece chromoly crank drivetrain with sprocket, chain, and pedals.

Direct parts	4
Total parts	13
Used in	1 assembly
Class	Assembly

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3-piece chromoly crank drivetrain with sprocket, chain, and pedals. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Drivetrain parts and their functions

4 top-level parts · 13 parts in total · full bill of materials below

Drivetrain parts diagram: 1 3-piece crankset, 2 front sprocket, 3 chain, 4 platform pedal. 13 parts in 4 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	3-Piece Crankset 3 parts	1×	3-piece crank
2	Front Sprocket	1×	Front sprocket/guard
3	Chain	1×	Half-link chain
4	Platform Pedal 3 parts	2×	Platform pedals

3D model

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Build & assembly graph

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Bill of materials for Drivetrain

4 top-level lines · 10 rows shown · 13 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	3-Piece Crankset 3 parts	bmx-bike-crankset	1×	1	5	assembly
1.1	Crank Arm	bmx-bike-crank-arm	2×	2	·	part
1.2	Crank Spindle	bmx-bike-spindle	1×	1	·	part
1.3	Ball Bearing	ball-bearing	2×	2	·	part
2	Front Sprocket	bmx-bike-sprocket	1×	1	·	part
3	Chain	bmx-bike-chain	1×	1	·	part
4	Platform Pedal 3 parts	bmx-bike-pedal	2×	2	3	assembly
4.1	Pedal Body	bmx-bike-pedal-body	1×	2	·	part
4.2	Pedal Axle	bmx-bike-pedal-axle	1×	2	·	part
4.3	Ball Bearing	ball-bearing	1×	2	·	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 BMX Bike

Used in 1 assembly

BMX Bike

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