# Martin D100R21 Double Strand Roller Chain Sprocket #100 Chain 1-1/4" Pitch 21 Teeth MST R1 Bushing Steel 9.043" OD - MROSupply.com

***Martin D100R21 double strand roller chain sprocket for #100 chain, 1-1/4" pitch, 21 teeth, 9.043" outside diameter. Steel construction. Uses MST R1 split taper bushing, sold separately. Designed for high-torque power transmission drives.***



## Product details:

- Catalog number: D100R21
- SKU: 256127
- Price: ***$713.95*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Martin Sprocket](https://www.mrosupply.com/brands/martin-sprocket/)
- Category: 
    - [Type C Offset/Type D Multi-Strand Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/multi-strand-sprockets/type-c-offsettype-d-multi-strand-sprockets/)
    - [Multi-Strand Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/multi-strand-sprockets/)
    - [Roller Chain Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/)
    - [Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/)
    - [Chains & Sprockets](htts://www.mrosupply.com/chains-sprockets/)
- Unit of measure: each
- Weight: 20.410 lb
- Technicall support: contact supplier for technical support on 323-728-8117


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Material: Steel
  

  
- Number Of Teeth: 21
  

  
- Outside Dia: 9.043"
  

  
- Pitch: 1.250 in.
  


## Product's reviews:
- Great prices and quality products - Your products are not only affordable, but they are also priced very fairly and competitively & always ship out pretty quickly. You have gained a new regular customer and stolen us from one of our regular distributors without even trying. Thank you for being awesome! Not to mention the free shipping over $100 perk is super appreciated as we not only are saving money per item, but we are also able to buy in bulk without the additional burden of freight/shipping costs.
THANK YOU!! :)
- Met all expectations - Met all expectations for availability, price, delivery, ease of online store use, and efficient online store.
- Works great - Works perfect and made my gokart way faster
- Martin c5-20t-19-09 - Quality product. Fast shipping!