【Millimetre-Precise Derailleur Alignment】 Allows precise height/tilt adjustment of STI brake levers (±0.5° tolerance).
【Easy 3-Step Installation】 Step 1: Remove stem cap. Step 2: Screw tool into steerer tube (M10×1mm). Step 3: Attach crank arm configurator. No need to remove the brake levers!
【Industrial Precision】 CNC-machined 6061-T6 aluminum base (31.6mm) + stainless steel threaded spindle (57mm adjustment range). Holds 25Nm of torque
【Unlimited Compatibility】 Universal M10×1mm connector fits all claw adjusters
【All-in-one Solution】 62g lightweight design (21mm diameter) with non-slip grip.