USED Shimano Dura-Ace 7700 2x9 speed Time Trial Groupset 175mm Crank Type_Stems which reduces heating while increasing

which reduces heating while increasing elasticity to help minimize energy dissipation

Rear Derailleur: Shimano GRX 400 RD-RX400 Shadow+ Design 10sp

Elevated centerline ridges provide consistent working edges that dig in whether hammering up a climb or leaning into a turn

18 deg engagement with reinforced pawls

USED Shimano Dura-Ace 7700 2x9 speed Time Trial Groupset 175mm Crank Type_Stems which reduces heating while increasingFor sale is a USED Shimano Dura Ace 7700 2x9 speed Time Trial Groupset Brand: Shimano Model: Dura Ace 7700 MPN: 7700 Weight (grams): 1593g Drivetrain Speeds: 2x9 Shifter Derailleur Compatibility: Shimano Brake Caliper Type: Center mount rim brake Crank Length (mm): 175 Tooth Count: 53 39T Front Derailleur Clamp: Braze on Shifter Type: Bar end CONDITION: Used with signs of wear and age but in good condition overall. Perfect for retro TT build. SKU: