12+14 Tooth Alloy (Narrow-Wide) Pulley Wheels for SRAM Eagle 12 Speed MTB
Introducing an SRAM 12 speed (12T+14T) 7075 alloy ceramic jockey wheels.
7075 aluminium alloy is used for highly stressed structural applications such as aircraft structural parts, it has excellent mechanical properties with good ductility, high strength, toughness, corrosion resistance and good resistance to fatigue.
Compatible with SRAM 12-speed XX1 Eagle, XO1 Eagle, GX Eagle, NX Eagle and SX Eagle systems.
Pre-greased, ready to install
Need Help Choosing?
If you're unsure which pulley wheel fits your system, visit our Select Pulley Wheel page for assistance.
Pulley Wheel Explained
Material Comparison:
Delrin – Durable, lightweight, and quiet; an affordable, no-frills option.
Carbon Fiber – Ultra-light and stylish but slightly noisier and less durable.
Alloy – Long-lasting with a mild noise increase over Delrin, offering a sleek look.
Titanium – Premium durability, lightweight, and visually striking but at a higher cost.
Tooth Count & Compatibility:
11T (Diameter: 42mm) – Fits most systems (short, medium, and long cage).
12T (Diameter: 46mm) & 13T (Diameter: 51mm) & 15T (Diameter:59mm) – Suitable for medium and long cages.
14T (49.5mm) – Mostly for MTB setups.Larger pulley wheels offer slight efficiency gains and a sleek appearance but require cage compatibility.
Narrow-Wide Tooth System:
Designed for SRAM Eagle (2.2mm narrow, 3.7mm wide), while other pulley wheels use a standard narrow-tooth design. It can be used for Shimano system as well.HSC Pulley Wheel Specifications
Includes:
- 12T (diameter 49.5mm) and 14T (diameter 59mm) CNC machined 7075 aluminium alloy wheels
- HSC hybrid Free-Spin ceramic bearings pre-installed (no lubrication required)
- ABEC 7 hardened bearing races and Grade 3 Si3N4 ceramic balls
- Assembled in AustraliaWeight:
- 24gCompatible with:
SRAM MTB 12 speed 12T + 14T system
- XX1 Eagle
- XO1 Eagle
- GX Eagle
- NX Eagle
- SX Eagle