MTB 2X Double Chainring // 2×10/11 4 Bolts BCD104/64 Double rings

AEROZINE MTB 2X Double Chainring (BCD104/64mm) – CNC 7075-T6 aluminum, 4-Bolt SHIMANO interface.
Compatible with SHIMANO / SRAM 8–11s double chainring drivetrains. Smooth, precise shifting for premium MTB builds and DIY upgrades.

SKU: MTB ring 2x10 BCD104 Categories: ,

$32.86$72.14

AEROZINE MTB 2X Double Chainring // 4-Bolt BCD104/64mm

Precision Shifting. Premium MTB Upgrade.

Take your MTB drivetrain to the next level with the AEROZINE 2X Double Chainring — engineered for riders seeking smooth, reliable shifting and precise gear control on every trail.

Crafted from 7075-T6 aluminum and fully CNC-machined, each ring delivers lightweight strength, stiffness, and long-lasting performance.
Designed for 4-Bolt BCD104/64mm SHIMANO interface crank arms, this double chainring set is compatible with SHIMANO and SRAM 8 / 9 / 10 / 11-speed drivetrains, making it a versatile upgrade for both classic and modern MTB setups.

Key Features:

  • Material: CNC-machined 7075-T6 Aluminum

  • BCD: 4-Bolt 104/64mm (SHIMANO interface)

  • Compatibility: SHIMANO / SRAM 8–11s double chainring setups

  • Sizes Available:

    • 42-29T (CH-42-104c-70-4-05 / CH-29-64-70-3-05)

    • 40-27T (CH-40-104c-70-4-05 / CH-27-64-70-3-05)

    • 39-26T (CH-39-104c-70-5-05 / CH-26-64-70-3-05)

    • 38-24T (CH-38R-104c-70-4-05 / CH-24-64-70-3-05)

    • 36-22T (CH-36R-104c-70-5-05 / CH-22-64-70-3-05)

  • Color: Blast Black

Why Choose AEROZINE: Optimized tooth profiles for smooth, precise shifting, lightweight durability, and perfect for premium MTB DIY upgrades.

 

 

tooth count

42T, 40T, 39T, 38T, 36T, 29T, 27T, 26T, 24T, 22T

color

Blast Black