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Ships within 48 hours · Estimated delivery Oct 19 - Oct 24
first released in 1993
This BB is designed for 68mm bottom bracket shells
Reach: 57mm
Consider it the go-to classic
and ID of 30
BMXGuru 39t Bolt Drive BMX Aluminum Sprocket / Chainwheel - Silver - USA Made 31.8mm first released in 1993The BMXGuru sprocket is USA made from lightweight, thick, and strong 6061 aluminum alloy. It has 3 32" teeth and a 23. 8mm (24mm) bore. This will fit most BMX cranks including One Piece cranks as well as 22mm and 19mm 3 Piece cranks with proper adapter (sold separately). This sprocket has an anodized finish and laser etched logos. BMXGuru sprockets are made in the USA! Size: 39t Color: Industrial Silver Bore: 23. 8mm Teeth: 3 32" (will work with 3 32"
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