S&M Mid School Guard Sprocket (Matte Grey) (25T)

S&M Mid School Guard Sprocket Description:

The iconic S&M Bashguard Sprocket has been brought back to life in this current version; the S&M Mid School Guard Sprocket. While modernized in 25t, 28t, and 30t options, the mid school feel is still very much alive with 33t, 36t, and 39t options. This updated version uses widened crank clearance cuts, updated teeth to a modern profile, and offset the teeth for better chain alignment. This design has 4 mounting options to expand the life and is, of course with S&M, made right here in the USA.

Specifications:

• Teeth: 25T – 39T
• Thickness: –
• Material: 6061-T6 Alloy
• Bore: 15/16″ (23.8mm)
• Adapter: 19mm and 22mm Included
• Color: Matte Grey
• Weight: 4.5 oz (25T) | 8.9 oz (36T)

While you’re at it, no better time to go ahead and toss on a new chain. See our selection of chains here.

Not sure which sprocket will work on your bike? Confused by all the sizing and gear ratios? Learn all about sprockets and how to install them in our tech help section here.

This product was added to our catalog on March 12, 2025