Drivetrain

Assembly

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

Belt drive turning the flywheel from the crankset, with sealed bottom-bracket bearings, pedals, and crank arms.

Direct parts	6
Total parts	13
Used in	1 assembly
Class	Assembly

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Belt drive turning the flywheel from the crankset, with sealed bottom-bracket bearings, pedals, and crank arms. 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 · 13 parts in total · full bill of materials below

Drivetrain parts diagram: 1 crankset & bottom bracket, 2 crank arm, 3 pedal, 4 drive belt, 5 driven pulley, 6 belt tensioner. 13 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 & Bottom Bracket 3 parts	1×	Crank spindle and chainring pulley running on sealed bottom-bracket bearings.
2	Crank Arm	2×
3	Pedal 2 parts	2×	Dual-sided pedal with toe cage and adjustable foot strap.
4	Drive Belt	1×	Crank-to-flywheel belt
5	Driven Pulley	1×	Flywheel pulley
6	Belt Tensioner	1×

3D model

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Build & assembly graph

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Bill of materials for Drivetrain

6 top-level lines · 11 rows shown · 13 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Crankset & Bottom Bracket 3 parts	exercise-bike-crankset	1×	1	4	assembly
1.1	Crank Spindle	exercise-bike-crank-spindle	1×	1	·	part
1.2	Drive Pulley	exercise-bike-drive-pulley	1×	1	·	part
1.3	Ball Bearing	ball-bearing	2×	2	·	part
2	Crank Arm	exercise-bike-crank-arm	2×	2	·	part
3	Pedal 2 parts	exercise-bike-pedal	2×	2	2	assembly
3.1	Pedal Body	exercise-bike-pedal-body	1×	2	·	part
3.2	Toe Cage Strap	exercise-bike-toe-strap	1×	2	·	part
4	Drive Belt	drive-belt	1×	1	·	part
5	Driven Pulley	exercise-bike-driven-pulley	1×	1	·	part
6	Belt Tensioner	exercise-bike-belt-tensioner	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

Sports & Fitness 1 Exercise Bike

Used in 1 assembly

Exercise 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