Name: Bicycle Front Fork Mount Nuts. Use: As parts to install fork. Application: For unthreaded fork, external Dia. 28.6mm. Positioning: Suggested 10-15mm tube inside from top. Threading: Dia. 6mm. Material: Steel & Iron. Color: Black. Net weight: Approx. 9.5grams. Quantity: 2PCS / Lot. Package includes: 2pcs Front Fork Mount Nuts. Note: Workable with steel, Iron or alloy tubes, Not for use with carbon tubes. Use appropriate tool for installation.