Park Tool Frame Alignment Indicator FAI-2 Model=CM-25 Professional Chain Scrubber This is the most technical

This is the most technical grip in our line up

masters racer

Tooth Count 46 Ring Position/Type Chain Retaining Single Ring Drivetrain Speeds 12 Chainring BCD 107 Color Black Defined Color Black Material Aluminum

2-Piece forged aluminum caliper features 18 and 19

Park Tool Frame Alignment Indicator FAI-2 Model=CM-25 Professional Chain Scrubber This is the most technicalMeasures head tube seat tube rear dropout alignment Ensures frame is in line for proper tracking and shifting Retractable pointer fits virtually all frame sizes Black, anodized aluminum construction Retailers are not permitted to sell on the Amazon. com marketplace unless authorized in writing by Park Tool TECH SPECS Description Frame Alignment Gauge, FAI 2