Secure Your Wheels: Prevent bike wheel theft with Delta Cycle’s Hublox Security Skewers for quick-release wheel hubs. An excellent alternative to standard 9mm quick-release skewers. Compatible with most standard 9mm dropouts. Color: Silver Quick Assembly: Uses a proprietary key frame dropout to unlock wheel skewers, providing enhanced security over traditional quick release bike skewers. Quality Construction: Stainless springs with chromoly axle material construction for maximum durability. Product Specifications: Frame dropout outside dimensions: Front: 95mm MIN – 115mm MAX; Rear: 128mm MIN – 148mm MAX; Tighten to MAX 7nm torque. The Brand You Trust. The Accessories You Need: For more than 30 years, Delta has been the brand you can trust with US-based design and engineering. Our small, concentrated product line reflects the careful thought and dedication invested into each and every product we create.