MOTO-MASTER Rear Sprocket - 51 Tooth 620071151
MOTO-MASTER Rear Sprocket - 51 Tooth 620071151 is backordered and will ship as soon as it is back in stock.
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RETURN POLICY
RETURN POLICY
The return process must be initiated within 30 days of your order being delivered. After the 30 days no return
Any new items must be returned in the original box/packaging including static guards on shields, vendor hang tags, bags, hardware, etc.
All hardware must be in original packaging and unopened. Items must be in restockable condition
Contact sales@bills-exhausts.com or Call / WhatsApp: +1 305-859-1215
You will receive an email with an RMA form attached. Please allow 24 to 48 hours for processing your RMA.
Return shipping cost is fully covered ONLY If there was an error on our end.
Please note that refunds take 7-10 business days to process and ALL cancellations will be subject to a nonrefundable card fee deducted from the refund
International returns is Customer responsibility, we will refund you the cost of shipping (ONLY If there was an error on our end.)when item will arrive in our location in good contusions and our supplier approve the return.
-For international orders, shipping carriers charge for delivery even if a package is refused. Therefore, the original shipping cost is non-refundable. Any return shipping fees will also be deducted from the refund amount.
-Tires are not eligible for return.
-Electronics are not eligible for return.
- PLEASE NOTE : IF YOUR PART IS DAMAGED UPON ARRIVAL DO NOT INSTALL THE PART CONTACT OUR RETURNS DEPARTMENT FIRST. WE ARE UNABLE TO WARRANTY ANY PART WHICH HAS BEEN INSTALLED FOR PHYSICAL DAMAGE.
We all know that accidents can happen. If your product(s) arrive defective, damaged, or simply incorrect, please contact our customer service department as soon as possible. 305-859-1215
Please do not attempt to use or install the part! We will send you a replacement part and provide you with a prepaid return label to return the defective part.
If a shipping courier caused the damage, we will schedule a damage pick up by the courier.
Warranty claims are not the same as returns.
They are handled differently.
You will need contact directly with Supplier or Manufactures and send them pictures or any information that they need like model year of your vehicle so they can approve your claim.
Claims for missing or damaged items in an order must be placed within 48 hours of delivery of your order.
If the items are new, we might be able to sell them as open boxes.
A refund can only be processed after I sell them.
We currently have approximately $12,000 worth of returns from the last two months, and most are in open-box condition. and missing parts
Please note that we reserve the right to deny refund or exchange if the merchandise does not meet the Return Policy requirements.
Exchange Procedure
There are 2 ways you can go about exchanging a product:
Option 1 (Slower) – Use the standard return procedure to request an RMA for the part you need exchanged. In your request please specify the exact item(s) you would like to exchange. Upon receipt of your returned product we will process an exchange and ship the new part. If there is difference in price, you will be either refunded or charged the difference.
Option 2 (Faster) – Order the new part online or over the phone so it can be shipped to you right away. Then request an RMA using a standard Return Procedure for the part you would like to return. Upon return of the part a refund will be issued promptly.
Refunds & Credits
After we accept your return, you will be issued a refund via the same payment method as you had originally used to place the order (Credit Card, PayPal).
The refund amount will be composed of the original purchase price minus shipping charges where applicable.
You will be sent an email confirming receipt of the return and your credit. Please allow from 7-10 business days for the credit to appear on your account.
We will not refund any labor charges or installation fees under any conditions.
We will also not offer reimbursement for any damage acquired during installation or any other use of a product like customs inspections.
Please be aware that if you choose to return or cancel your order, we may retain 3-8% of the total amount.
This fee represents the non-refundable processing charges imposed by credit card companies for cancellations or refund
For example, when an order of $100 is paid with a credit or debit card, we receive approximately $97.
If a refund is necessary, we must return the full $100, absorbing the $3 processing fee ourselves.
We understand this may seem unfair, but it is a standard practice. While we can accommodate this on smaller orders, it poses a significant challenge for us as a small business with larger transactions.
Click here for important emission definitions and regulatory compliance and warranty information.
Delivery and Shipping
Delivery and Shipping
For US customers, we offer 2 shipping options:
- Standard shipping (FedEx / UPS) for all orders $5.99
- This shipping option takes 1-5 business days.
- Free shipping for orders over $69.00 in US and Canada $499.00
- This shipping option takes 5-12 business days.
*Free standard shipping means we will select an option that gets you your parts as soon as possible while still being economically priced.
We reserve the right to deny free shipping for any reason.
*California orders needed to be ship from our location in Miami Florida.
Parts typically take 2-5 business days to arrive at our warehouse.
Products titled "IN STOCK" ship the next business day.
- Arrow exhausts ship directly from Italian warehouse!
- It typically arrives at our store within 1-3 weeks, and then we'll ship it out to you right away!
- Vandemon Exhaust lead time could be up to 5-7 business days before shipping.
- Austin Racing Pre-Orders only 6-8 weeks before shipping.
- M4 2-3 weeks (estamate)
We are currently unable to offer overnight or 2-day guaranteed shipping .
This is because the warehouses of most of our suppliers only ship Ground.
Products ship from our Miami facility or drop ship direct from our Suppliers
Orders placed before 11am CST are typically shipped the same day.
Most orders placed after that time are will ship the following business days.

If you have specific shipping requests or needs please contact us at sales@bills-exhausts.com prior to purchasing and we will do our best to assist you.
If an item is back ordered from the manufacturer you will be notified by us. FYI – We don’t like it when this happens any more than you do.
We will try and help as best we can with back orders
A TRACKING NUMBER will be send to you via email or text after purchasing .
SHIPMENTS WITHIN THE U.S.
FREE STANDARD SHIPPING on orders over $69 is available in all US lower 48 states, APO addresses, and Puerto Rico via USPS or UPS. (*Exceptions apply for Alaska and Hawaii.)
About pre-orders:
When you order PRE-ORDER it means that you can purchase it before the official release date and then, you just wait for the shipping Usually pre-orders takes from 1-12 weeks depending the brand and the product.
Contact us when ordering or we will contact you to go over rates and times.
INTERNATIONAL SHIPMENTS
WE SHIP WORLDWIDE Shipping rates outside the US are based upon destination and weight.
Effective March 12, 2025, we are offering DDP (Delivered Duty Paid) worldwide, which includes prepaid customs and taxes, eliminating any additional charges upon delivery
- * Countries we don't collect tax or duties required to be paid by you.
Please note that we are unable to ship oversized items such as tires, batteries, and oils internationally.
For these items, we offer Large Truck Load (LTL) freight shipping.
Please be aware that LTL shipping costs may vary and exceed the estimated amount at checkout.
We will contact you for confirmation before processing your order.
If you have questions about these fees or duties contact us prior to ordering and we can assist you.
-For international orders, customers who refuse the package will not receive a refund for the original shipping cost. Additionally, any return shipping fees incurred by us will be deducted from the customer's refund
-Tires are not eligible for return.
-Electronics are not eligible for return.
More for Return policy here
Delivery times for international shipments are typically 5 to 9 business days, but this can vary depending on your country’s customs procedures.
We reserve the right to deny free shipping for any reason.
Orders delayed by customs are not something we can control or change.
ALL international orders (Includes CANADA ,California and Puerto Rico) need to be shipped from our location in Miami Florida.
Most of International orders cannot drop ship from supplier's warehouses(Except on some specific Brands)
Parts typically take 2-7 business days to arrive at our warehouse.
Once they're in, we'll send you a tracking number.
The estimated delivery time shown at checkout begins once the part is shipped from our warehouse
PAYMENT METHODS
Please take note that all orders will be charged in USD dollars, and exchange rates fluctuate daily.
We accept Visa, Mastercard, AMEX, Discover credit cards , ApplePay,GooglePay,ShopPay, Paypal , debit cards with a Visa or Mastercard and Shop-Installments /PayLater (Buy now and pay later)
If you're not seeing the Paypal,ApplePay,GooglePay or PayPal options, try scrolling down the payment page and click "Checkout as Guest" to see them.

Contact us at sales@bills-exhausts.com if you have any questions.
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Click here for important emission definitions and regulatory compliance and warranty information.
Description
Description
- Top grade hardened steel, will outlast an aluminum sprocket up to 3 times
- Special coating for extra durability
- Race proven design offers optimal strength-to-weight ratio
- CAD designed and laser cut using state of the art technology
Fitments
2025 Gas Gas MC 300 - - 2025 Husqvarna FE501S Heritage - Notes: 2025
Brembo caliper2025 Husqvarna TC125 Heritage - - 2025 Husqvarna TC300 Heritage - Notes: 2025
Brembo caliper2025 Husqvarna FE350S - Notes: 2025
Brembo caliper2025 Husqvarna FE450 Heritage - Notes: 2025
Brembo caliper2025 Husqvarna TC150 - - 2025 Husqvarna TC300 - Notes: 2025
Brembo caliper2025 KTM 300 XC-W Factory Edition - - 2025 Triumph TF 450-RC Edition - - 2025 Gas Gas EC 300 GP - - 2025 KTM 300 XC-W Champion Edition - - 2025 Husqvarna FC350 Heritage - Notes: 2025
Brembo caliper2025 Husqvarna FE350S Heritage - Notes: 2025
Brembo caliper2025 Husqvarna TC150 Heritage - - 2025 Husqvarna TC250 Heritage - Notes: 2025
Brembo caliper2025 KTM 350 EXC-F Champion Edition - - 2025 Husqvarna FX350 Heritage - Notes: 2025
Brembo caliper2025 Husqvarna TE300 Heritage - - 2025 Husqvarna TX300 Heritage - Notes: 2025
Brembo caliper2024-2025 Triumph TF 250-X - - 2024-2025 Gas Gas ES 350 - - 2024-2025 KTM 300 XC-W Hardenduro - - 2024-2025 Gas Gas EC 450F - - 2024-2025 Gas Gas ES 500 - - 2024-2025 Husqvarna TE300 Pro - Notes: 2024-2025
Brembo caliper2024-2025 Husqvarna TE 300i - - 2024 KTM 500 XW-F - - 2024 Gas Gas EW 500F - - 2024 KTM 350 XW-F - - 2024 Husqvarna FE 350 - Notes: 2024
Braktec caliper2024 Husqvarna FE501W - Notes: 2024
Braktec caliper2024 Husqvarna TE 150i - - 2024 Husqvarna FE 350 Pro - Notes: 2024
Brembo caliper2024 Gas Gas EC 500F - - 2024 Husqvarna FE350W - Notes: 2024
Braktec caliper2023-2025 KTM 300 SX - - 2023-2025 Gas Gas MC450F Factory Edition - - 2023-2025 Gas Gas MC 450F Factory Edition - - 2023-2025 KTM 450 XCF-W - - 2023-2024 Gas Gas SM 700 - - 2023-2024 Gas Gas MC250F Factory Edition - Notes: 2023-2024
Brembo caliper2023-2024 Gas Gas ES 700 - - 2022-2025 KTM 350 XC-F Factory Edition - - 2022-2025 Gas Gas EX 250 - Notes: 2024-2025
Braktec caliper ,
2023
Braktec caliper, Brembo caliper ,
2022
Brembo caliper2022-2025 Gas Gas MC 350F - Notes: 2022
Brembo caliper ,
2023
Braktec caliper, Brembo caliper ,
2024-2025
Braktec caliper2022-2025 Gas Gas MC 250 - Notes: 2024-2025
Braktec caliper ,
2022
Brembo caliper ,
2023
Braktec caliper, Brembo caliper2022, 2024 Husqvarna FE 250 - Notes: 2022, 2024
Braktec caliper2022 Husqvarna FE 450 - Notes: 2022
Braktec caliper2021-2025 Gas Gas MC 250F - Notes: 2021-2022
Brembo caliper ,
2023
Braktec caliper, Brembo caliper ,
2024-2025
Braktec caliper2021-2025 KTM 125 XC - - 2021-2025 Gas Gas EX 350F - Notes: 2024-2025
Braktec caliper ,
2021-2022
Brembo caliper ,
2023
Braktec caliper, Brembo caliper2021-2025 Gas Gas MC 125 - Notes: 2024-2025
Braktec caliper ,
2023
Braktec caliper, Brembo caliper2021-2025 Gas Gas EC 300 - - 2021-2025 Gas Gas EX 250F - Notes: 2021-2022
Brembo caliper ,
2024-2025
Braktec caliper ,
2023
Braktec caliper, Brembo caliper2021-2025 Gas Gas EC 250 - - 2021-2025 Gas Gas EX 300 - Notes: 2023
Braktec caliper, Brembo caliper ,
2021-2022
Brembo caliper ,
2024-2025
Braktec caliper2021-2025 Gas Gas MC 450F - Notes: 2023
Braktec caliper, Brembo caliper ,
2021-2022
Brembo caliper ,
2024-2025
Braktec caliper2021-2024 Gas Gas EX 450F - Notes: 2021-2022
Brembo caliper ,
2024
Braktec caliper ,
2023
Braktec caliper, Brembo caliper2021-2024 Gas Gas EC 350F - - 2021-2024 Gas Gas EC 250F - - 2020-2023 Husqvarna TX300i - Notes: 2020-2021
Magura caliper ,
2022
Brembo caliper ,
2023
Brembo caliper, Braktec caliper2020-2023 Husqvarna TE150i - Notes: 2020-2021
Magura caliper ,
2022
Braktec caliper2020-2022 KTM 250 XC TPI - - 2020-2022 KTM 300 XC TPI - - 2020-2022 KTM 500 XCF-W - - 2020-2022 KTM 150 XC-W TPI - - 2020-2021 KTM 150 EXC TPI - - 2019-2022 KTM 300 XC-W TPI - - 2019-2021, 2023 KTM 450 Rally Replica - - 2019-2020 KTM 300 EXC TPI Six Days - - 2018-2023 Husqvarna TE300i - Notes: 2018-2021
Magura caliper ,
2022
Braktec caliper2018-2023 Husqvarna TE250i - Notes: 2018-2021
Magura caliper ,
2022
Braktec caliper2018-2022 KTM 250 XC-W TPI - - 2018-2021 KTM 300 EXC TPI - - 2018-2021 KTM 250 EXC TPI - - 2017-2025 Husqvarna FX350 - Notes: 2023-2024
Brembo caliper, Braktec caliper ,
2018-2021
Magura caliper ,
2017, 2022, 2025
Brembo caliper2017-2024 Husqvarna FX450 - Notes: 2023-2024
Braktec caliper, Brembo caliper ,
2018-2021
Magura caliper ,
2022
Brembo caliper2017-2024 KTM 500 EXC-F - - 2017-2024 KTM 500 EXC-F Six Days - - 2017-2023 KTM 450 EXC-F Six Days - - 2017-2020 Husqvarna TX 125 - Notes: 2018-2020
Magura caliper ,
2017
Brembo caliper2017-2019, 2024-2025 Husqvarna TX300 - Notes: 2024
Brembo caliper, Braktec caliper ,
2018-2019
Magura caliper ,
2017, 2025
Brembo caliper2017-2019, 2024-2025 Husqvarna TE150 - Notes: 2018-2019
Magura caliper ,
2025
Braktec caliper, Brembo caliper ,
2024
Braktec caliper ,
2017
Brembo caliper2017-2019, 2023-2025 KTM 150 XC-W - - 2017-2019 KTM 125 XC-W - - 2017-2018, 2023 KTM 250 SX-F FE - - 2016-2024 Husqvarna 701 Supermoto - - 2016-2024 Husqvarna FS450 - - 2016-2024 KTM 450 EXC-F - - 2016-2017, 2019-2020 Husqvarna FR 450 Rally - - 2015-2016, 2022, 2024-2025 KTM 250 SX-F Factory Edition - - 2015-2016, 2020-2025 Husqvarna FE501S - Notes: 2020-2021
Magura caliper ,
2015-2016
Brembo caliper ,
2022-2024
Braktec caliper ,
2025
Braktec caliper, Brembo caliper2015, 2025 Husqvarna FS 450 - - 2014-2025 Husqvarna FC350 - Notes: 2014-2017, 2019-2025
Brembo caliper ,
2018
Brembo caliper, Magura caliper2014-2025 Husqvarna TC250 - Notes: 2014-2017, 2019-2025
Brembo caliper ,
2018
Brembo caliper, Magura caliper2014-2025 Husqvarna TC125 - Notes: 2014-2017, 2019-2025
Brembo caliper ,
2018
Brembo caliper, Magura caliper2014-2025 Husqvarna FC450 - Notes: 2014-2017, 2019-2025
Brembo caliper ,
2018
Brembo caliper, Magura caliper2014-2025 Husqvarna FC250 - Notes: 2014-2017, 2019-2025
Brembo caliper ,
2018
Brembo caliper, Magura caliper2014-2023 Husqvarna FE350 - Notes: 2018-2021
Magura caliper ,
2014-2017
Brembo caliper ,
2022-2023
Braktec caliper2014-2022 Husqvarna FE501 - Notes: 2014-2017
Brembo caliper ,
2018-2021
Magura caliper ,
2022
Braktec caliper2014-2021, 2023-2025 Husqvarna FE450 - Notes: 2014-2017
Brembo caliper ,
2018-2021
Magura caliper ,
2023-2025
Braktec caliper2014-2021 Husqvarna FE250 - Notes: 2018-2021
Magura caliper ,
2014-2017
Brembo caliper2014-2018, 2024-2025 Husqvarna TE250 - Notes: 2014-2017
Brembo caliper ,
2024
Braktec caliper ,
2025
Braktec caliper, Brembo caliper ,
2018
Magura caliper2014-2018, 2024-2025 Husqvarna TE300 - Notes: 2014-2017
Brembo caliper ,
2024-2025
Braktec caliper ,
2018
Magura caliper2014-2016 KTM 350 XCF-W Six Days - - 2014-2016 Husqvarna TE125 - - 2013-2025 KTM 450 SX-F Factory Edition - - 2013-2014 Husaberg FE250 - - 2013-2014 Husaberg FE350 - - 2013-2014 Husaberg FE501 - - 2012-2025 KTM 350 EXC-F - - 2012-2024 KTM 690 SMC-R - - 2012-2022 KTM 350 XCF-W - - 2012-2020, 2024 KTM 350 EXC-F Six Days - - 2012-2016 KTM 500 EXC Six Days - - 2012-2016 KTM 500 XC-W - - 2012-2016 KTM 500 EXC - - 2012-2014 Husaberg TE125 - - 2012 Husaberg FE 250 - - 2012 Husaberg FE 350 - - 2011-2025 KTM 350 XC-F - - 2011-2025 KTM 350 SX-F - - 2011-2014 Husaberg TE300 - - 2011-2014 Husaberg TE250 - - 2010-2018 KTM 300 XC-W Six Days - - 2010-2016 KTM 450 EXC Six Days - - 2010-2015 KTM 150 XC - - 2010-2012 Husaberg FX450 - - 2010-2011 Husaberg FS570 - - 2010-2011 KTM 450 XC-W Six Days - - 2010 Husaberg TE 250 - - 2010 Husaberg TE 300 - - 2010 KTM 530 EXC Championship Edition - - 2010 KTM 250 EXC-F Champion Edition - - 2009-2024 KTM 690 Enduro R - - 2009-2014 Husaberg FE450 - - 2009-2012 Husaberg FE390 - - 2009-2012 KTM 530 EXC - - 2009-2011 Husaberg FE570 - - 2008-2019 KTM 690 Duke - - 2008-2017 KTM 690 Duke R - - 2008-2012 KTM 530 EXC Six Days - - 2008-2012 KTM 530 XCF-W - - 2008-2011 KTM 690 SMC - - 2008-2010 KTM 690 Enduro - - 2008-2010 KTM 505 SX-F - - 2008-2010 KTM 505 XC-F - - 2008-2010 KTM 690 Supermoto R - - 2008 KTM 530 EXC-R - - 2008 KTM 450 EXC-R - - 2007-2025 KTM 250 XC-F - - 2007-2022, 2025 KTM 150 SX - - 2007-2022 KTM 250 EXC-F - - 2007-2020, 2023 KTM 250 EXC-F Six Days - - 2007-2019, 2023-2025 KTM 300 XC - - 2007-2016 KTM 250 XCF-W - - 2007-2016 KTM 450 XC-W - - 2007-2010 KTM 690 Supermoto - - 2007-2009 KTM 200 XC - - 2006-2025 KTM 250 SX-F - - 2005-2014, 2021-2025 KTM 450 SMR - - 2005-2009 Husaberg FE 650 - - 2005-2008 Husaberg FS650C - - 2005-2008 Husaberg FS650E - - 2005-2007 KTM 525 SMR - - 2005 Husaberg FE 550 - - 2004-2008 Husaberg FE 450 - - 2004-2007 KTM 525 XC - - 2004-2006 Husaberg FS 450 - - 2003-2025 KTM 450 XC-F - - 2003-2025 KTM 450 SX-F - - 2003-2010 KTM 200 SX - - 2003-2007 KTM 525 EXC - - 2003-2007 KTM 525 SX-F - - 2003-2007 KTM 525 EXC Six Days - - 2003-2007 KTM 640 LC4 Adventure - - 2003-2006 KTM 640 LC4 Enduro - - 2003-2006 KTM 625 LC4 SXC - - 2002-2016 KTM 450 EXC - - 2001-2018 KTM 300 EXC Six Days - - 2001-2018 KTM 250 EXC Six Days - - 2001-2016 KTM 125 EXC Six Days - - 2000-2011 KTM 400 EXC - - 2000-2006 KTM 640 Duke II - - 2000-2002 KTM 520 EXC - - 1999-2004 KTM 640 LC4 Adventure R - - 1999-2004 KTM 200 MXC - - 1999-2003, 2005-2006 KTM 640 LC4 Supermoto - - 1998-2016 KTM 200 EXC - - 1998-2016 KTM 200 XC-W - - 1998-2002 KTM 380 EXC - - 1998-2002 KTM 380 SX - - 1996-1997 KTM 360 SX - - 1995-2025 KTM 125 SX - - 1995-2025 KTM 250 XC-W - - 1995-2025 KTM 300 XC-W - - 1995-2025 KTM 250 SX - - 1995-2019, 2023-2025 KTM 250 XC - - 1995-2019 KTM 300 EXC - - 1995-2018, 2023-2024 KTM 250 EXC - - 1995-2017 KTM 125 EXC - - 1995-2004 KTM 360 EXC - - 1995 KTM 400 Duke - - 1994-1998 KTM 620 Duke - - 1985-1990 KTM 125 MX - - 1985-1989 KTM 80 MX - - 1983-1986, 1989-1994 KTM 250 MX - - Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.
Payment & Security
Payment methods
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