Shimano ST-EF551 8-Speed Brake/Shift Lever Set Size:One Size OUTSIDE 17 1/2" × 16

OUTSIDE 17 1/2" × 16 1/2" × 15 1/4"

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Formulated with high viscosity synthetic oils

Lubricating

Micro adjustable AFD with aluminum Power Block for greater lateral stiffness and superior power transfer

Shimano ST-EF551 8-Speed Brake/Shift Lever Set Size:One Size OUTSIDE 17 1/2" × 16Shimano ST EF551 8 Speed Brake Shift Lever Set F EZ Fire Plus units Ergonomic 2 4 finger levers Optical gear displays S 38 (24 speed) drivetrains Compatible with V brakes or mechanical disc brakes Designed for 22. 2mm handlebars