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FEATURES: Versatile 28mm internal rim width optimized for 2.2-2.5” tires Light and durable 6069 aluminum with welded joint and reinforced spoke bed BST Asymmetric design combines Stan’s legendary easy tubeless inflation with a stronger,…Read More
- Versatile 28mm internal rim width optimized for 2.2-2.5” tires
- Light and durable 6069 aluminum with welded joint and reinforced spoke bed
- BST Asymmetric design combines Stan’s legendary easy tubeless inflation with a stronger, more balanced wheel build
- 3-year rim warranty with 1-year crash replacement
Mountain bikes have changed in the decade since the original Arch rim helped introduce the world to tubeless technology. With a 28mm wide asymmetric rim shape and ultra-strong 6069 alloy, today’s Arch MK4 rim has evolved to match these more capable bikes. Through all the years of testing and refinement of this rim, one thing has never changed: versatility. Now more than ever, when you want a reliable rim that can handle every trail, the Arch MK4 is for you.
The Arch MK4 rim is light enough to take XC racing but was born from research and testing on the Enduro World Series circuit, making it a great rim for anyone looking to improve both descending and climbing. Constructed of light and strong 6069 aluminum alloy, with a reinforced spoke bed and 28mm internal width ideal for 2.2-2.5″ tires, the Arch MK4 can get you up the climbs easier and make the descent even better.
The Arch MK4’s BST Asymmetric shape improves spoke angle, allowing for a stronger overall wheel build. Unlike most asymmetric rims that struggle with tubeless inflation and consistent airtight seal under hard cornering, the Arch MK4’s shape is designed to equalize pressure for easy inflation and incredibly strong tire retention on both sides of the rim.
Stan’s patented Bead Socket Technology, combined with a stronger asymmetric design, light and durable 6069 alloy, and the perfect rim width for balancing control and weight, make the Arch MK4 your best choice for all-around riding. Powering up rocky switchback climbs or slapping berms on every descent, the Arch MK4 is ready for whatever you can throw at it.
(Specs and pricing are subject to change without notice. Weights may vary based on size and parts)
20", 24", 26", 27.5", 29"
20h, 32h, 24h, 28h
|Rim Internal Width:||23.0mm||ETRTO:||584×28.0 (27.5″) / 622×28.0 (29″)|
|Rim External Width:||31.4mm||ISO:||27.5″x31.4mm / 29″x31.4mm|
|Hole Count:||28-hole or 32-hole||Valve:||Presta|
|Rim Color:||Black||Max Spoke Tension:||130kgf (1275N)|
|Material:||6069 Aluminum Alloy||Max Pressure with 38c Tire:||60psi|
|Brakes:||Disc only||Max Pressure with 2.20″ Tire:||41psi|
|ERD:||561mm, 2.5mm Offset mm (27.5″) / 600mm,2.5mm Offset (29″)||Max Pressure with 2.50″ Tire:||35psi|
|Rim Weight:||451g (27.5″) / 481g (29″)|
3-YEAR ALUMINUM RIM WARRANTY AND CRASH REPLACEMENT POLICY
3-YEAR ALUMINUM RIM WARRANTY:
Stan’s MK4, S2, and EX3 series aluminum rims are covered under a 3-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 are not supported under our warranty policy.
ALUMINUM RIM WARRANTY AND CRASH REPLACEMENT CONDITIONS:
- Warranty and crash replacement are valid only for the original owner and are not transferrable.
- 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
- 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