BMC
Kaius 01 Four
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Geometry
Geometry
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Geometry
Geometry
Frame geometry
| Geometry | 47 | 51 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|---|
| Stack | 510mm | 530mm | 550mm | 570mm | 595mm | 620mm |
| Reach | 390mm | 397mm | 401mm | 405mm | 410mm | 414mm |
| Headtube length | 85mm | 106mm | 123mm | 144mm | 170mm | 196mm |
| Headtube angle | 71deg | 71deg | 72deg | 72deg | 72deg | 72deg |
| BB height | — | — | — | — | — | — |
| BB drop | 80mm | 80mm | 80mm | 80mm | 80mm | 80mm |
| Trail | 68mm | 68mm | 68mm | 68mm | 68mm | 68mm |
| Fork length | 387mm | 387mm | 387mm | 387mm | 387mm | 387mm |
| Fork offset | 50mm | 50mm | 45mm | 45mm | 45mm | 45mm |
| Front center | 596mm | 610mm | 608mm | 619mm | 632mm | 644mm |
| Chainstay length | 420mm | 420mm | 420mm | 420mm | 420mm | 420mm |
| Wheelbase | 1003mm | 1017mm | 1015mm | 1026mm | 1039mm | 1051mm |
| Top tube | 546mm | 559mm | 569mm | 579mm | 592mm | 604mm |
| Standover height | 684mm | 722mm | 756mm | 780mm | 798mm | 818mm |
| Seat tube length | 428mm | 452mm | 468mm | 493mm | 513mm | 533mm |
| Seat tube angle | 73deg | 73deg | 73deg | 73deg | 73deg | 73deg |
Spec geometry
| Geometry | 47 | 51 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|---|
| Crank length | — | — | — | — | — | — |
| Stem length | — | — | — | — | — | — |
| Handlebar width | — | — | — | — | — | — |
| Handlebar reach | — | — | 70mm | — | — | — |
| Handlebar drop | — | — | 125mm | — | — | — |
| Saddle width | — | — | 140mm | — | — | — |
| Dropper post travel | — | — | — | — | — | — |
| Seatpost offset | — | — | 15mm | — | — | — |
Specs
Full specs
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Specs
Full specs
Frame
Frame
Kaius 01 Premium Carbon with Aerocore Design | ICS Technology Stealth Cable Routing | UDH Dropout (Universal Derailleur Hanger) | TCC Race Compliance Level | Flat Mount Disc | 12 x 142mm Thru-Axle
Suspension
Fork
Kaius 01 Premium Carbon | ICS Technology, Stealth Cable Routing | TCC Race Compliance Level | Stealth Dropout Design | Flat Mount Disc | 12 x 100mm Thru-Axle
Brakes
Front brake
SRAM Rival AXS (ED-RIV-E1)
Rear brake
SRAM Rival AXS (ED-RIV-E1)
Front rotor
SRAM Paceline | Centerlock | 160mm
Rear rotor
SRAM Paceline | Centerlock | 160mm
Drivetrain
Shift levers
SRAM Rival AXS (ED-RIV-E1)
Rear derailleur
SRAM Rival XPLR AXS (RD-RIV-1E-E1)
Cassette
SRAM Rival XPLR (CS-XG-1351-E1) | 10-46T
Chain
SRAM Rival (CN-RIV-E1)
Crankset
SRAM Rival XPLR AXS Wide (FC-RIV-1W-E1) | 42T
Bottom bracket
SRAM Press Fit DUB
Cockpit
Stem
BMC RSM 01 | Integrated Cockpit System Technology
Handlebars
BMC HB D4 03, 0, 12 | Alloy 6061 | Endurance Geometry | 125mm drop, 70mm reach, 12° flare
Saddle
Fizik Vento Argo X5 | 140mm
Seatpost
Kaius 01 Premium Carbon D-Shaped Seatpost | 15mm Offset | D-Fender Compatible
Wheels & Tires
Front wheel
CG 40 Carbon | Tubeless Ready | 40mm; CG 40
Rear wheel
CG 40 Carbon | Tubeless Ready | 40mm; CG 40
Front tire
Pirelli Cinturato Gravel H | 40mm
Rear tire
Pirelli Cinturato Gravel H | 40mm
Weight
Weight
8.3kg (size 54 as pictured, without pedals, with all accessories)