Bigsby B5 Fully Callaham Enhanced :: Charles Guitars
Callaham Vintage Guitars and Parts (Callaham Front Roller Upgrade Kit for Bigsby B5 and B7 units)
Callaham Stainless String Shaft for Bigsby Vibratos – ToneShapers
Callaham Bigsby upgrades - OffsetGuitars.com
Callaham Guitars - Callaham Main String Shaft, Front Roller, and 360 Arm Bracket installed on a customer's Bigsby B5. See our YouTube channel for detailed installation instructions, featuring Carter Gravatt of Carbon
Sold - USA Bigsby B5 w Vibramate V5-ST, Spoiler & Callaham roller $200 shipped | The Gear Page
Bigsby B5 front roller bar upgrade - Callaham vs Bricks Biggs Fix | Telecaster Guitar Forum