5mm aluminum headset spacer for 1.5 inch (40mm) oversized steerer tube

Oversized Bicycle Headset / Fork Steerer Spacer 40mm (Height: 5mm)

Specialized headset spacer designed for oversized bicycle fork steerer tubes. It allows precise handlebar/stem height adjustment, eliminates headset play, and delivers a clean, professional look for your cockpit setup.

Specifications

• Inner Diameter (ID): 40mm (Engineered specifically for 40mm oversized steerer tubes)

• Height (Thickness): 5mm

• Material: Ultra-lightweight CNC-machined aluminum alloy with an anti-scratch, anti-corrosion matte anodized finish

• Color: Anodized Black

• Packaging: Sold individually or in multi-packs (optional)

Key Features

• High-Precision CNC Machining: Clean, flat-cut edges ensure even compression across the headset and stem, preventing misalignment or uneven pressure when torquing the top cap.

• Low-Profile 5mm Thickness: Allows fine-tuning of handlebar height and cockpit stack to achieve your ideal riding posture.

• Rigid & Durable: High-strength aluminum alloy withstands heavy clamping force without deforming or cracking.

(Note: Please accurately measure the outer diameter of your fork steerer tube before placing an order to ensure a proper 40mm fit.)

Actual photos taken by the shop.