With a low-profile rim shape and durable E-sync hub, the reliable Arch S2 6B wheel from Stan's NoTubes is built to handle aggressive climbs and rough descents—in a range of riding conditions.
- Versatile 28 mm internal rim width optimized for 2.2–2.5 in. tires
- Reinforced spoke bed and eyeletted spoke holes strengthen the 6061 aluminum Arch S2 rim, along with a reliable sleeved joint for a tough overall wheel
- Patented Bead Socket Technology (BST) low-profile rim shape provides easy tubeless inflation and a reliable seal
- Rolls on E-sync hubs built to handle abuse and the added forces of modern trail bikes and heavier e-bikes; hubs offer fast 8.18° engagement with reinforced pawls
- Enduro bearings with double-row freehub bearing and chromoly axle to increase maximum torque capacity
- Tubeless tape installed, additional valve stems required (not included)
- 230 lbs. (105 kg) maximum rider weight
Made in USA.
View all Stan's NoTubes Mountain Bike WheelsBest Use | Mountain Biking |
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Wheel Type | Rear 27.5 Boost XD: Rear Wheel Front 27.5 (15X100): Front Wheel Front 27.5 Boost: Front Wheel Rear 29 (12X142) Shimano: Rear Wheel Rear 29 (12X142) XD: Rear Wheel Rear 29 Boost Shimano: Rear Wheel Front 29 (15X100): Front Wheel Front 29 Boost: Front Wheel |
Freehub Standard | Rear 27.5 Boost XD: SRAM XD Front 27.5 (15X100): Not Applicable Front 27.5 Boost: Not Applicable Rear 29 (12X142) Shimano: Shimano Hyperglide (HG) Rear 29 (12X142) XD: SRAM XD Rear 29 Boost Shimano: Shimano Hyperglide (HG) Front 29 (15X100): Not Applicable Front 29 Boost: Not Applicable |
Tire Type | Tubeless Ready |
Hub Brake Design | 6-bolt Disc |
Front Axle | Rear 27.5 Boost XD: Not Applicable Front 27.5 (15X100): 15 x 100 mm Thru-Axle Front 27.5 Boost: 15 x 110 mm Thru-Axle (Boost) Rear 29 (12X142) Shimano: Not Applicable Rear 29 (12X142) XD: Not Applicable Rear 29 Boost Shimano: Not Applicable Front 29 (15X100): 15 x 100 mm Thru-Axle Front 29 Boost: 15 x 110 mm Thru-Axle (Boost) |
Front Spoke Count | Rear 27.5 Boost XD: Not Applicable Front 27.5 (15X100): 32 Front 27.5 Boost: 32 Rear 29 (12X142) Shimano: Not Applicable Rear 29 (12X142) XD: Not Applicable Rear 29 Boost Shimano: Not Applicable Front 29 (15X100): 32 Front 29 Boost: 32 |
Rear Axle | Rear 27.5 Boost XD: 12 x 148 mm Thru-Axle (Boost) Front 27.5 (15X100): Not Applicable Front 27.5 Boost: Not Applicable Rear 29 (12X142) Shimano: 12 x 142 mm Thru-Axle Rear 29 (12X142) XD: 12 x 142 mm Thru-Axle Rear 29 Boost Shimano: 12 x 148 mm Thru-Axle (Boost) Front 29 (15X100): Not Applicable Front 29 Boost: Not Applicable |
Rear Spoke Count | Rear 27.5 Boost XD: 32 Front 27.5 (15X100): Not Applicable Front 27.5 Boost: Not Applicable Rear 29 (12X142) Shimano: 32 Rear 29 (12X142) XD: 32 Rear 29 Boost Shimano: 32 Front 29 (15X100): Not Applicable Front 29 Boost: Not Applicable |
Wheel Size | Rear 27.5 Boost XD: 27.5 inches Front 27.5 (15X100): 27.5 inches Front 27.5 Boost: 27.5 inches Rear 29 (12X142) Shimano: 29 inches Rear 29 (12X142) XD: 29 inches Rear 29 Boost Shimano: 29 inches Front 29 (15X100): 29 inches Front 29 Boost: 29 inches |
Internal Rim Width | 28 millimeters |
Tubeless Compatible | Yes |
Rim Material | Aluminum |
Weight | Rear 27.5 Boost XD: 1046 grams Front 27.5 (15X100): 890 grams Front 27.5 Boost: 890 grams Rear 29 (12X142) Shimano: 1093 grams Rear 29 (12X142) XD: 1093 grams Rear 29 Boost Shimano: 1093 grams Front 29 (15X100): 937 grams Front 29 Boost: 937 grams |
Kit Includes | Rear 27.5 Boost XD: Rear wheel, tubeless tape installed Front 27.5 (15X100): Front wheel, tubeless tape installed Front 27.5 Boost: Front wheel, tubeless tape installed Rear 29 (12X142) Shimano: Rear wheel, tubeless tape installed Rear 29 (12X142) XD: Rear wheel, tubeless tape installed Rear 29 Boost Shimano: Rear wheel, tubeless tape installed Front 29 (15X100): Front wheel, tubeless tape installed Front 29 Boost: Front wheel, tubeless tape installed |