DJC Ceramic Bearing Pulley Wheel 10T 11T 12T 13T 14T Narrow-Wide / Standard Tooth for Shimano 7 8 9 10 11 12-speed MTB

DJC Ceramic Bearing Pulley Wheel 10T 11T 12T 13T 14T Narrow-Wide / Standard Tooth for Shimano 7 8 9 10 11 12-speed MTB

DJC Ceramic Bearing Pulley Wheel 10T 11T 12T 13T 14T Narrow-Wide & Standard Tooth for Shimano for SRAM 7-12-speed MTB Road Bike

Tooth Design Difference

• Even Teeth (10T / 12T / 14T)
  Narrow-Wide Tooth (Anti-drop design)
  Better chain retention

• Odd Teeth (11T / 13T)
  Standard Tooth
  Same as original pulley, smoother and universal

Design Types

• Closed Body (Even Teeth)
  → Stronger structure
  → Better chain control

• Hollow Design (Odd Teeth)
  → Lightweight
  → Classic pulley style

Key Features

• 7075 Aluminum Full CNC Machined
  High strength + precision

• 689 Hybrid Ceramic Bearing
  Low friction, smooth and quiet

• Dual Tooth Design (Unique)
  Narrow-Wide + Standard options

• 7–12-speed Compatible
  for Shimano & for SRAM derailleur

Specifications

Note: Larger pulley wheels improve chain wrap and smoother riding, but please check derailleur cage clearance before upgrade.

Upgrade Guide

• Upper pulley (guide wheel)
  Same size or +1T only
  Too large may hit cassette

• Lower pulley (tension pulley)
  Can increase +1T or +2T
  Larger size = smoother ride

Package Includes

• 1 × Pulley Wheel (or 2 pcs option)

• 4mm → 6mm Adapter

• 5mm → 6mm Adapter

• 5mm Bolt

95% bikes use 5mm adapter

Available Options

Each row below is one available option combination. Choose the complete combination that matches your setup.