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5" wide and 7
The Alienation Starship Guard sprockets is a Trekkie inspired 100% CNC machined 7075 aluminum sprocket
Bottom Bracket Weight (posted): 3
Black compound angle adjustable shoes
50 (ISO 559mm)
S&M Mid School 39t BMX Guard Sprocket Chainwheel - Matte Black - USA Made 36t 5" wide and 7This sprocket first appeared in S&M's 2005 catalog as the Bashguard Sprocket and then simply as Guard Sprocket in the 2006 catalog. Fast forward to June 2024 when S&M Pro Aryei Levenson started riding a used sprocket and single handedly created the demand that led to this slightly updated re issue. On this current version S&M has widened the crank clearance cuts a little, updated the teeth to a modern profile, and offset the teeth as well for better
US$ 197.50
US$ 24.99