One Piece Alloy Chainring And Spider 39T One Eighth Inch Black And Blue Anodized Spider CNC Machined Silver Teeth Ed Gold Bolts For Mountain Bikes Upgrade Durable And High Performance

39T One-Piece Alloy Chainring & Spider for BMX Bikes
✔️ Single-piece alloy chainring with CNC teeth and blue/black spider

This is a 39-tooth alloy chainring and spider designed for BMX, dirt jump, and freestyle riding. It is built for 1-piece cranks and compatible with 1/2" x 1/8" chains (12.7 mm x 3.175 mm), delivering solid power transfer and dependable performance on streets, parks, and tracks.

✅ 39-tooth aluminum chainring with CNC-machined silver teeth
✅ One-piece alloy construction provides stiffness and durability
✅ Anodized spider in black with blue accents and ED gold bolts
✅ 1/2" x 1/8" chain compatibility for BMX, dirt jump, and freestyle
✅ Compatible with 1-piece cranks for easy install and reliable power transfer

💡 What is a 39T one-piece chainring and why should I consider it for BMX and mountain bikes?

A handy upgrade for riders seeking strong, reliable power transfer. - improves power transfer with a rigid one-piece setup - CNC-machined teeth enhance engagement and wear resistance - anodized black/blue finish with ED gold bolts for style and longevity - compatible with 1-piece cranks and 12.7 mm x 3.175 mm chains