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Stan's No Tubes Sentry S1

Stan's No Tubes Sentry S1
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Stan’s S1 wheelset line brings patented tubeless technology to an even wider range of riders. Built for long life, low maintenance, and outstanding value, the S1 series wheels feature 6061 series alloy rims and are available in six different widths suited to a wide range of tire sizes and riding styles.

With an emphasis on value and durability, the S1 alloy wheelsets join a mountain wheel line-up that currently includes Stan’s successful MK3 premium alloy wheels and innovative Valor and Bravo carbon series wheelsets. While MK3 wheelsets are built to balance strength, light weight, and stiffness, S1 wheelsets focus on maximum strength and durability. The deeper profile and thicker walls of the S1 rims result in a 50-70g weight increase over MK3 rims, but offer greater impact strength for an even wider range of use.

“The new S1 series wheels were developed from rims ridden in Redbull Rampage and raced on the World Cup DH circuit for years,” said Creative Director, Chris Currie. “The goal was to take everything we’ve done for tubeless technology, and put it into a truly bombproof and affordable wheel.”

Designed according to Stan’s WideRight rim and tire fit system, S1 series wheelsets are available in six different rim models, with internal widths ranging from 23mm to 38mm. Combined with Stan’s low-profile, high-volume Bead Socket Technology rim design, these widths let the new S1 range accommodate tires from 2-inch to 3.5-inch.

All S1 wheelsets are built with 32 spokes front and rear, Sapim’s proven Race spokes, Secure Lock brass nipples, and Stan’s faster-engaging Neo hubs. Hubs are available to fit most axle systems, including Boost.

The S1 series includes reinforced versions of the classic Crest, Arch, and Flow--names already familiar to fans of Stan’s tubeless rims. In addition to the Crest S1, Arch S1, and Flow S1, three entirely new wider wheelsets will be available. The Sentry S1, Baron S1, and Major S1 bring Stan’s patented Bead Socket Technology to Plus bikes.

Sentry S1 Wheelset
- Use: Plus Tire Performance and Adventure
- Internal Rim Width: 32mm
- Optimal Tire Size: 2.5 to 3.0-inch
- Hubs: Stan’s Neo 32-hole Front, 32-hole Rear
- Spokes/Nipples: Sapim Race Black 2.0/1.8/2.0mm, Secure Lock Brass Silver Nipples
- Wheel Sizes and Weights: 26-inch (1,972g), 27.5-inch (2,034g), and 29-inch (2,134g)

Tubeless Rim/Tire Cross-Section

Tubeless-ready rims are compatible with both standard and tubeless-ready tires. When a tubeless-ready tire is mounted on a tubeless-ready rim with special tubeless rim tape, valve, and sealant, the tire and rim form an airtight chamber that no longer requires a tube. This lets you run lower tire pressure with less fear of pinch flats and without the added weight of a tube. Lower tire pressure has many benefits, including greater traction and lower rolling resistance over rough surfaces. The rim can always be used with a tube, as well, by simply removing the tubeless valve stem and installing a standard tube like you would with any non-tubeless tire.

Part Numbers

Option UPC MPN Store SKU
Front, 15X100 / 29-inch 847746030102 WDSS90001
Front, 15X110 / 29-inch 847746030119 WDSS90002 116830
Rear, 12X142, Shimano / 29-inch 847746030126 WDSS90003
Rear, 12X142, SRAM XD / 29-inch 847746030133 WDSS90004
Rear, 12X148, Shimano / 29-inch 847746030140 WDSS90005
Rear, 12X148, SRAM XD / 29-inch 847746030157 WDSS90006
Front, 15X100 / 27.5-inch 847746030041 WDSS70001
Front, 15X110 / 27.5-inch 847746030058 WDSS70002 210000116832
Rear, 12X142, Shimano / 27.5-inch 847746030065 WDSS70003
Rear, 12X142, SRAM XD / 27.5-inch 847746030072 WDSS70004
Rear, 12X148, Shimano / 27.5-inch 847746030089 WDSS70005
Rear, 12X148, SRAM XD / 27.5-inch 847746030096 WDSS70006