Park Tool SG-7.2 Oversized Saw Guide Seatpost Steerer Cutter

The Park Tool SG-7.2 Oversized Saw Guide is designed to deliver straight, precise cuts when trimming seatposts, aero seat masts, and fork steerer tubes. Built for larger and aero-shaped tubing, the SG-7.2 securely guides a hacksaw blade to ensure a clean, accurate cut every time.

Its hardened steel body and molded contact points help protect frames and components during cutting.

Key Features

• Guides hacksaw for straight, accurate cuts

• Designed for oversized and aero-shaped tubing

• Two cutting slots: standard and carbon blade widths

• Hardened steel construction for durability

• Molded contact points protect tubes and frames

Specifications

• Model: SG-7.2

• Tube Capacity (Aero / Oversized): Up to 2.75″ (70mm)

• Round Tube Capacity: 1″ to 1-3/4″ (27mm to 45mm)

• Blade Slots: Standard width and carbon blade width

• Body Material: Hardened steel

Compatibility

• Aero-shaped seat masts

• Aero and round seatposts

• Fork steerer tubes

• Round tubes from 27mm to 45mm

Designed for use with a standard hacksaw (blade not included).

In the Box

• Park Tool SG-7.2 Oversized Saw Guide

Why It Matters

Cutting carbon or alloy components demands accuracy. A crooked cut can compromise fit and safety. The SG-7.2 stabilizes the blade and protects the tube, helping ensure clean, professional-level results whether you’re trimming a steerer or fitting a seatpost.