Gear Adjustment Shimano Acera driver for limit screws. 2. Allen Wrenches: Typically 5mm for derailleur mounting bolts. 3. Chain Checker: To assess chain wear that may affect shifting. 4. Cable Cutters: For clean cable ends during replacement. 5. Barrel Adjusters: Integral for fine-tuning cable tension without too S Shelley Satterfield Apr 13, 2026
