The groupset is made out of sound material, in excellent mechanical condition and works perfectly well: indexed shifting is crisp, braking is powerful thanks to its Dura Ace calipers, and chainrings and brake pads still wear plenty of material for many miles to come. Brifters also offer the option of SIS (7-speed indexed) or friction shifting. All crankset threads and bottom bracket holes, springs and rear mech pulleys are in perfect condition.Technical details: - Rear mech: Shimano 7-Speed Dura Ace, - Front mech: Shimano braze-on clamp - Front Brake Caliper: Shimano Dura Ace - Rear Brake Caliper: Shimano Dura Ace. Shifters: Shimano 600 Tricolore, 7-Speed indexed SIS - also offer the option of friction shifting. Brake levers: Shimano Exage, differentiated left and right, original hoods in great condition. Any other info or photo just ask. The item "Shimano Dura Ace & 600 Tricolor groupset great condition" is in sale since Monday, March 5, 2018. This item is in the category "Sporting Goods\Cycling\Bike Components & Parts\Groupsets". The seller is "ambre2013bay" and is located in Bristol. This item can be shipped worldwide.