Grail MK3 Wheelset

Ride without limits. Pavement, gravel, cyclocross, and even singletrack: the Grail MK3 is ready to outperform the competition on every surface. Stan’s tubeless technology offers less rolling resistance, more control, and the ability to seal most punctures almost instantly while you keep riding. The Grail’s versatile BST-R rim design makes it compatible with tubeless road tires, low-pressure tubeless converted tires, and conventional tires and tubes, offering maximum flexibility in a single wheelset. Upgrade your bike to the leading tubeless rim design, and find out what you’ve been missing.

The Grail MK3’s internal width and patented Bead Socket Technology rim design are optimized for 25-40mm tires. The truth is out that wider is faster, and the rim shape of the Grail MK3 lets you get the most speed from your tires, while also improving tire stability at speed and control in the corners. Nothing beats Stan’s patented tubeless rim design for getting the most performance from your tires.

All the advantages the Grail MK3 offers on the road are even more noticeable once the pavement ends. For cyclocross and gravel racing, the optimized tire shape and added stability offer a distinct advantage. The Grail MK3’s rim shape is even designed to avoid tire pinch flats, allowing ‘cross and gravel racers to run lower pressures that absorb impacts and improve traction.

For peace of mind on longer rides, the Grail MK3 offers outstanding reliability. Nobody likes flats. Combined with Stan’s sealant, tubeless tires have the ability to seal punctures while you keep riding, adding a new level of security and convenience. Constructed from lighter, stronger 6069 series aluminum, the Grail MK3 rim is also strong enough for serious adventure on and off the pavement. With triple freehub bearings, co-molded seals, and full CNC machined bodies, the Grail’s Neo Durasync hubs are ready for high mileage in all conditions. Laced with traditional and readily available j-bend Sapim spokes, the Grail MK3 is built to be the only wheelset you need for anywhere the ride takes you.

Fast, tough, and featuring the most trusted tubeless technology in the world, the Grail MK3 is ready to improve every ride, both on and off the pavement. Find out just what your bike can do with a Grail MK3 wheelset.

Note: Fork and hub damage can result from improper end cap use. Many road, gravel, and cyclocross forks use 12mm end caps. Our wheels ship with 15mm end caps installed and include separate 12mm end caps. Please confirm what end caps are needed for your bike and swap if necessary. If you've ridden your bicycle with improper end caps installed, please have it inspected by a professional mechanic before continued use.

WHAT'S INCLUDED:

Grail MK3 wheels come with yellow tape and 44mm tubeless valves installed. Front wheels ship with 15x100mm TA end caps installed, but also include 12x100mm TA end caps. Rear wheels ship with 12x142mm TA end caps installed.

FEATURES

• Lightweight 440g tubeless rim design optimized for disc and tubeless

• Ultra fast-engaging and lightweight Neo hubs with Durasync

• Durable and light 6069 aluminum construction

• Patented BST-R tubeless rim inflates easier and offers a more secure tire fit

• Tubeless ready with rim tape and valves installed

• Sapim Force Black 2.0/1.7/1.8mm with Secure Lock aluminum nipples

• 20.3mm WideRight rim design improves cornering and stability and lets tires roll faster

• Available for Shimano/SRAM, SRAM XDR, and Campagnolo cassettes

• Optimized for 25-40mm disc road, gravel, and cyclocross tires

• Available in custom colors and axle configurations through our custom wheelset builder

• 1675g

2-YEAR ALUMINUM RIM WARRANTY AND CRASH REPLACEMENT POLICY

2-YEAR ALUMINUM RIM WARRANTY:
All aluminum rims are covered under a 2-year warranty against manufacturing defects from the original purchase date. Warranty does not cover abuse, misuse, consequential damages, normal wear and tear, damage resulting from crashes, or improper installation. Warranties only apply to the original owner. If a product is found to be defective, a free repair or replacement will be provided at the sole discretion of Stan’s. Purchases made through unauthorized resellers such as eBay, Alibaba, Amazon or similar resale sites are not supported under our warranty policy.

ALUMINUM RIM WARRANTY PROCESS:

1. Retain a copy of the original proof of purchase (i.e. Itemized receipt or invoice)
2. Submit your claim via an authorized Stan’s dealer with your proof of purchase or contact us at warranty@notubes.com with a description of your issue, a photo that helps illustrate the issue, and your proof of purchase
   Note: For warranty and crash replacement inquires outside the United States, please contact your local dealer or distributor
3. The dealer will contact Stan’s or the local distributor and arrange for repair/replacement, or, if you’ve contacted us directly, we will work quickly to reply to your email with instructions
4. If you have contacted Stan’s directly regarding a wheelset warranty, and your approved request requires a return, Stan’s will provide you with a shipping label for return, free labor for your wheel rebuild, and return shipping

1 -YEAR ALUMINUM RIM CRASH REPLACEMENT:
Should you have the unfortunate experience of crashing and damaging your Stan’s aluminum rims, we want nothing more than to help you get back on the bike as quickly as possible. The Crash Replacement Policy covers the rims for a period of 1 year from the original purchase date against damage caused during normal operation of the bicycle, including racing. Crash replacement aluminum rim pricing is 50% off the MSRP of the exact or comparable product at the time of the claim. If necessary, spokes, nipples, tape, and costs associated with any build labor performed by Stan’s will be provided at a discount.

ALUMINUM RIM CRASH REPLACEMENT PROCESS:

1. Retain a copy of original proof of purchase (i.e. Itemized receipt or invoice)
   Note: Reply to the registration confirmation email with a picture or scan of your receipt and we’ll keep it on file for you in the event of a future claim
2. Submit your request via an authorized Stan’s dealer with your proof of purchase or contact us at warranty@notubes.com with a description of your issue, a photo that helps illustrate the issue, and your proof of purchase
   Note: For warranty and crash replacement inquires outside the United States, please contact your local dealer or distributor
3. The dealer will contact Stan’s or the local distributor and arrange for repair/replacement, or, if you’ve contacted us directly, we will work quickly to reply to your email with instructions
4. If you have contacted Stan’s directly regarding crash replacement and your request has been approved you will be charged crash replacement pricing for your product and standard return shipping fees.
   
   

ALUMINUM RIM WARRANTY AND CRASH REPLACEMENT CONDITIONS:

1.  Warranty and crash replacement are valid only for the original owner and are not transferrable.
2. Warranty does not cover the following:
   a. Damage sustained during shipment
   b. Products on which serial numbers, production lot codes/date codes or other identifying marks have been removed
   c. Normal wear and tear, misuse, incorrect installation or improper maintenance, use of incompatible parts or components, accident or crash damage, negligence, modifications not recommended or approved by Stan’s
   d. Labor costs for work not performed by Stan’s
   e. Shipping costs to Stan’s or local distributor
   f. Instances determined to be cosmetic only
   g. Any representation or warranty expressed or implied by a third party beyond the provisions of this stated policy
   h. Purchases made through unauthorized resellers such as eBay, Alibaba, Amazon or similar resale sites
3.  Crash replacement does not cover the following:
   a. Normal wear and tear expected with the use of high-quality mountain bike components
   b. Products on which the serial numbers, production lot codes or other identifying marks have been removed
   c. Misuse, incorrect installation or improper maintenance, use of incompatible parts or components, negligence, modifications not recommended or approved by Stan’s
   d. Instances determined to be cosmetic only
   e. Shipping costs to or from Stan’s or the local distributor
   f. Labor costs associated with removing the wheels and any associated components including but not limited to rotors, tires, cassette, computer magnets, etc from the bicycle or wheel

NEO HUB WARRANTY POLICY

NEO 3-YEAR HUB WARRANTY:
Stan’s Neo hubs are covered by a 3-year warranty against manufacturing defects. Warranty does not cover abuse, misuse, consequential damage resulting from lack of or improper maintenance, normal wear and tear, and improper installation. Warranties only apply to the original owner with valid sales receipt. If a product is found to be defective, a free repair or replacement will be provided at the sole discretion of Stan’s.

HUB WARRANTY PROCESS:

1. Retain a copy of the original proof of purchase (i.e. Itemized receipt or invoice)
2. Submit your claim via an authorized Stan’s dealer with your proof of purchase or contact us at warranty@notubes.com with a description of your issue, a photo that helps illustrate the issue, and your proof of purchase
   Note: For warranty and crash replacement inquires outside the United States, please contact your local dealer or distributor
3. The dealer will contact Stan’s or the local distributor and arrange for repair/replacement, or, if you’ve contacted us directly, we will work quickly to reply to your email with instructions
4. If you have contacted Stan’s directly regarding a wheelset warranty, and your approved request requires a return, Stan’s will provide you with a shipping label for return, free labor for your wheel rebuild, and return shipping

HUB WARRANTY CONDITIONS:

1. Warranty is valid only for the original owner and is not transferrable.
2. Warranty does not cover the following:
   a. Damage sustained during shipment
   b. Products on which serial numbers, production lot codes/date codes or other identifying marks have been removed
   c. Normal wear and tear, misuse, incorrect installation or improper maintenance, use of incompatible parts or components, accident or crash damage, negligence, modifications not recommended or approved by Stan’s
   d. Labor costs for work not performed by Stan’s
   e. Shipping costs to Stan’s or local distributor
   f. Instances determined to be cosmetic only
   g. Any representation or warranty expressed or implied by a third party beyond the provisions of this stated policy