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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Diameter | 16 mm |
| Length Through Bore | 25 mm |
| Material | Steel |
| No. Of Teeth | 21 |
| Number Of Teeth | 21 |
| Outside Dia. | 116.197 mm |
| Pitch | 15.875 mm |
| Pitch Dia. | 106.513 mm |
Shipping Info:
| Ship weight (kg) | 0.51 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 11.61 |
| Ship width (cm) | 11.61 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | Outside Dia. | Number Of Teeth | Length Through Bore | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|
![]() |
10A12 | 61.336 mm | 71.02 mm | 12 | 8.712 mm | 15.875 mm | €81.18 | |
![]() |
10A13 | 66.335 mm | 76.019 mm | 13 | 25 mm | 15.875 mm | €81.18 | |
![]() |
10A15 | 76.355 mm | 86.038 mm | 15 | 25 mm | 15.875 mm | €83.56 | |
![]() |
10A16 | 81.373 mm | 91.056 mm | 16 | 8.712 mm | 15.875 mm | €84.63 | |
![]() |
10A17 | 86.395 mm | 96.079 mm | 17 | 25 mm | 15.875 mm | €87.30 | |
![]() |
10A18 | 91.42 mm | 101.104 mm | 18 | 25 mm | 15.875 mm | €88.62 | |
![]() |
10A19 | 96.449 mm | 106.133 mm | 19 | 25 mm | 15.875 mm | €90.71 |
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MARTIN SPROCKET 10A21 Sprocket, 10B-1 Chain, 21 Teeth, 106.513 mm Pitch Dia., 116.197 mm O.D., Steel
€89.84 /unit







