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Bicycle Archive · Specification report 2025 Argon 18 Sum Shimano 105 Di2 Velopedia Archive ID 900002270
Overview Model year 2025 Brand Argon 18 Model Sum Shimano 105 Di2 Bicycle type Road Archive ID 900002270 Original MSRP $4,975.00 Sizes XXS; XS; S; M; L; XL
Frameset Frame construction Sum Fork SUM specific
Drivetrain Component group Shimano 105 Di2 Shifters Shimano 105 Di2 R7170 Front derailleur Shimano 105 Di2 R7150 Rear derailleur Shimano 105 Di2 R7150 Bottom bracket BB Ultegra SM-BB72 Cassette Shimano 105 CS-R7100 11-34 Chain Shimano 105 CS-R7100 11-34
Brakes Brakes Shimano 105 Di2 R7170; Rotors: Shimano SM-RT70 / F:160mm R:140mm
Cockpit & contact points Headset FSA Headset NO.55R 1.5'' + 3D Stem FSA SMR-II Saddle Repente Quasar Seatpost SUM specific
Wheels & tires Wheels Scope S4.A Front tire Vittoria Corsa N.EXT TLR 28mm Rear tire Vittoria Corsa N.EXT TLR 28mm Wheel size 700c
Geometry · XXS Seat tube 395 mm Effective top tube 503 mm Head tube 69 mm Head-tube angle 71.2° Seat-tube angle 75° Chainstay / rear center 410 mm Wheelbase 967 mm Bottom-bracket drop 69 mm Reach 375 mm Stack 471 mm Standover height 676 mm
Geometry · XS Seat tube 425 mm Effective top tube 520 mm Head tube 85 mm Head-tube angle 72.1° Seat-tube angle 74.5° Chainstay / rear center 410 mm Wheelbase 972 mm Bottom-bracket drop 73 mm Reach 382 mm Stack 493 mm Standover height 700 mm
Geometry · S Seat tube 460 mm Effective top tube 538 mm Head tube 101 mm Head-tube angle 72.7° Seat-tube angle 74° Chainstay / rear center 410 mm Wheelbase 975 mm Bottom-bracket drop 77 mm Reach 389 mm Stack 516 mm Standover height 727 mm
Geometry · M Seat tube 505 mm Effective top tube 557 mm Head tube 126 mm Head-tube angle 72.7° Seat-tube angle 73.5° Chainstay / rear center 410 mm Wheelbase 990 mm Bottom-bracket drop 77 mm Reach 397 mm Stack 540 mm Standover height 766 mm
Geometry · L Seat tube 550 mm Effective top tube 578 mm Head tube 152 mm Head-tube angle 72.7° Seat-tube angle 73° Chainstay / rear center 410 mm Wheelbase 1006 mm Bottom-bracket drop 77 mm Reach 405 mm Stack 565 mm Standover height 804 mm
Geometry · XL Seat tube 595 mm Effective top tube 600 mm Head tube 180 mm Head-tube angle 73° Seat-tube angle 72.5° Chainstay / rear center 410 mm Wheelbase 1020 mm Bottom-bracket drop 77 mm Reach 414 mm Stack 592 mm Standover height 841 mm
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 29, 2026.
Bicycle Archive · Specification report