Hand-Crank Unit
AssemblySynchronous twin hand cranks on a sealed bottom bracket at chest height, with grips the rider turns to drive the chain; arranged so both arms push and pull together. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Hand-Crank Unit parts and their functions
5 top-level parts · 14 parts in total · full bill of materials below| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Hand Crank Arm | 2× | Hand crank arms |
| 2 | Crank Spindle | 1× | Crank axle |
| 3 | Hand Grip 3 parts | 2× | Rotating grip handles |
| 4 | Crank Bottom Bracket 2 parts | 1× | Sealed crank bearing unit |
| 5 | Crank Chainring | 1× | Drive chainring |
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Bill of materials for Hand-Crank Unit
5 top-level lines · 10 rows shown · 14 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Hand Crank Arm | hand-cycle-crank-arm | 2× | 2 | · | part |
| 2 | Crank Spindle | hand-cycle-crank-spindle | 1× | 1 | · | part |
| 3 | Hand Grip 3 parts | hand-cycle-hand-grip | 2× | 2 | 3 | assembly |
| 3.1 | Ball Bearing | ball-bearing | 1× | 2 | · | part |
| 3.2 | Grip Sleeve | hand-cycle-grip-sleeve | 1× | 2 | · | part |
| 3.3 | Hand Cuff Strap | hand-cycle-grip-cuff | 1× | 2 | · | part |
| 4 | Crank Bottom Bracket 2 parts | hand-cycle-crank-bb | 1× | 1 | 4 | assembly |
| 4.1 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 4.2 | Crank BB Cup | hand-cycle-bb-cup | 2× | 2 | · | part |
| 5 | Crank Chainring | hand-cycle-chainring | 1× | 1 | · | part |
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Where the hand-crank unit is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed 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| Vendor | HQ | Specialty | MOQ | Lead 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.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |