Main Specs Frame: Kellys Endurance Concept, Aluminum Alloy Disc / Flat Mount, Ht Tapered, Internal RoutingFork: Kellys Carbon Disc, 1.5 Tapered Steerer Disc Brake / Post-Mount Groupset Derailleur: Shimano 105 R7000Rear Derailleur: Shimano 105 R7000Shifters: Shimano 105 St-R7000 Dual ControlCranks: Shimano Rs510 (50X34T) - Length 172.5Mm (S - M), 175Mm (L)Cassette: Shimano Cs-R7000-11 (11-32T)Front Brake: Tektro Spyre Mechanical DiscRear Brake: Tektro Spyre Mechanical DiscChain: Kmc X11 El (108 Links)Bottom Bracket: Wheels Rims: Kellys Spark Disc 622X15 (32 Holes / Eyelets)Tires: Schwalbe Lugano 25-622 (700X25C) K-Guard, Silica Components Handlebar: Kls Expert Road - Diameter 31.8Mm / Width 400Mm (S), 420Mm (M), 440Mm (L)Stem: Kls Active Road - Diameter 28.6Mm / Bar Diameter 31.8Mm / 6° / Length 70Mm (S), 90Mm (M), 110Mm (L)Saddle: Wtb VoltSeatpost: Kls Active - Diameter 30.9Mm / Length 350Mm (S), 400Mm (M - L)