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Stiffi Cog

Stiffi Cog

Stiffi Cog is made from stainless steel with a custom-machined tooth profile for smooth, quiet and responsive drivetrain performance. Compatible with 1/8" and 11/128" chains, available in 14T–19T.

NT$2,680
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The Stiffi Cog is a precision rear cog designed for single speed, track and fixed gear drivetrain setups. With a custom-machined tooth profile, it delivers a smoother, quieter and more responsive pedaling feel.

This cog is not only about its titanium-style colored coating. Its performance comes from the tooth design and machining quality. The custom tooth profile helps reduce chain friction and drivetrain interference, creating a smoother chain path and reducing unnecessary noise.

Made from stainless steel, the Stiffi Cog offers solid strength and durability for daily riding, street use, training and higher-intensity pedaling. Whether you want to improve drivetrain feel or add a more distinctive detail to your build, it is a practical upgrade with both performance and visual appeal.

Available from 14T to 19T, it allows riders to fine-tune their gear ratio according to riding style, route conditions and drivetrain preference. It is compatible with both 1/8" and 11/128" chains for flexible setup options.

The gold version brings a bold and classic highlight, while the chameleon finish changes color depending on the viewing angle, adding a unique visual detail to the drivetrain.


Specifications
Brand: Stiffi
Product Name: Cog
Material: Stainless Steel
Teeth: 14T / 15T / 16T / 17T / 18T / 19T
Chain Compatibility: 1/8" / 11/128"
Color: Gold / Chameleon
Features: Custom tooth profile, low friction, smooth drivetrain feel, quiet and responsive performance
Use: Fixed Gear / Track Bike / Single Speed

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Delivery Options

  • 7-11 Pickup and pay in store (C2C)
  • Family Mart Pickup and pay in store (C2C)
  • 新竹物流 - 常溫
  • International Shipping(DHL/FedEX/EMS/OCS)

Payment Options

  • Credit Card
  • Pay on 7-11 Store Pickup (C2C)
  • Pay on Family Mart Store Pickup (C2C)
  • PayPal Express
  • Bank Transfer
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