Kaius is a premium carbon gravel bike built to be your elite race companion for all terrains. The unprecedented carbon layup and gravel-specific geometry ensure the perfect balance of stiffness, lightweight, and compliance for optimal traction on loose surfaces, front-end stability, and unmatched climbing prowess. Harnessing the precision and performance of our renowned leading road technologies, Kaius is a race machine tuned to the gravel wavelength with the engineered Kaius fork, our signature ICS Carbon Aero Cockpit, TCC Race compliance, compatibility with 1x and 2x drivetrains and up to 44 mm of tire clearance.
Technology
Speed Unbound
Race-ready Gravel Geometry
Integrated Cockpit System (ICS)
Aerocore Design
Technical Overview
Frameset
Frame:
Kaius 01 Premium Carbon with Aerocore Design | ICS Technology Stealth Cable Routing | Stealth Dropout Design | TCC Race Compliance Level | Flat Mount Disc | 12 x 142mm Thru-Axle
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
Cockpit
Handlebar:
BMC MFB 03 Alloy | 760mm
Seat
Seatpost:
Kaius 01 Premium Carbon D-Shaped Seatpost
Saddle:
Fizik Vento Argo 00
Drivetrain
Crankset:
SRAM RED XPLR
Chainrings:
42T
Cassette:
SRAM Force AXS XPLR (XG-1271)
Cassette Size:
10-44T
Chain:
SRAM RED
Rear Derailleur:
SRAM RED XPLR AXS (RD-RED-1E-E1)
Shifters:
SRAM RED eTap AXS HRD
Gears:
1 x 12
Bottom Bracket:
PF86 Bottom Bracket
Brakes
Brake Levers / Calipers:
SRAM RED eTap AXS HRD
Rotors:
SRAM Centerline X Rotors
Rotor Size (F/R):
160 / 160mm
Wheels
Rims:
Zipp 303 Firecrest
Hubs (F/R):
Zipp 303 Firecrest
Tires:
Pirelli Cinturato Gravel H | 40mm
Additional Information
Tire Clearance:
44mm
ASTM Classification:
Level 2
System Weight Limit:
120kg
| Size | 47 | 51 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|---|
| SCOR Size | ||||||
| Rider Height | <166 | 166-174 | 172-180 | 178-186 | 184-192 | >190 |
| Reach | 390 | 397 | 401 | 405 | 410 | 414 |
| Stack | 510 | 530 | 550 | 570 | 595 | 620 |
| Bar Drop | 135 | 135 | 135 | 135 | 135 | 135 |
| Bar Reach | ||||||
| Bar Rise | ||||||
| Bar Sweep | ||||||
| Bar Width | 360/420 | 360/420 | 360/420 | 360/420 | 360/420 | 360/420 |
| Base Bar Drop Flat Cockpit | ||||||
| Base Bar Drop V-Cockpit | ||||||
| Base Bar Reach Flat Cockpit | ||||||
| Base Bar Reach V-Cockpit | ||||||
| BB Drop | 80 | 80 | 80 | 80 | 80 | 80 |
| BB Drop (SLACK) | ||||||
| BB Drop (STEEP) | ||||||
| BB Height (SLACK) | ||||||
| BB Height (STEEP) | ||||||
| Chainstay | ||||||
| Crank Length | 170 | 170 | 172.5 | 172.5 | 175 | 175 |
| LT | BB Drop (SLACK) | ||||||
| LT | BB Drop (STEEP) | ||||||
| LT | BB Height (SLACK) | ||||||
| LT | BB Height (STEEP) | ||||||
| LT | Chainstay | ||||||
| LT | Fork Length | ||||||
| LT | Fork Rake | ||||||
| LT | Frame Size | ||||||
| LT | Front Center (SLACK) | ||||||
| LT | Front Center (STEEP) | ||||||
| LT | Head Tube | ||||||
| LT | HT Angle (SLACK) | ||||||
| LT | HT Angle (STEEP) | ||||||
| LT | Reach (SLACK) | ||||||
| LT | Reach (STEEP) | ||||||
| LT | Rider Height | ||||||
| LT | Seat Tube | ||||||
| LT | ST Angle @750mm Saddle Height (SLACK) | ||||||
| LT | ST Angle @750mm Saddle Height (STEEP) | ||||||
| LT | ST Angle Actual (SLACK) | ||||||
| LT | ST Angle Actual (STEEP) | ||||||
| LT | ST Angle Effective (SLACK) | ||||||
| LT | ST Angle Effective (STEEP) | ||||||
| LT | Stack (SLACK) | ||||||
| LT | Stack (STEEP) | ||||||
| LT | Stand Over Height (80 in Front of BB) | ||||||
| LT | Stand Over Height (Lowest Point) | ||||||
| LT | Top Tube (SLACK) | ||||||
| LT | Top Tube (STEEP) | ||||||
| LT | Wheelbase (SLACK) | ||||||
| LT | Wheelbase (STEEP) | ||||||
| ST | BB Drop (SLACK) | ||||||
| ST | BB Drop (STEEP) | ||||||
| ST | BB Height (STACK) | ||||||
| ST | BB Height (STEEP) | ||||||
| ST | Chainstay | ||||||
| ST | Fork Length | ||||||
| ST | Fork Rake | ||||||
| ST | Frame Size | ||||||
| ST | Front Center (SLACK) | ||||||
| ST | Front Center (STEEP) | ||||||
| ST | Head Tube | ||||||
| ST | HT Angle (SLACK) | ||||||
| ST | HT Angle (STEEP) | ||||||
| ST | Reach (SLACK) | ||||||
| ST | Reach (STEEP) | ||||||
| ST | Rider Height | ||||||
| ST | Seat Tube | ||||||
| ST | ST Angle @750mm Saddle Height (SLACK) | ||||||
| ST | ST Angle @750mm Saddle Height (STEEP) | ||||||
| ST | ST Angle Actual (SLACK) | ||||||
| ST | ST Angle Actual (STEEP) | ||||||
| ST | ST Angle Effective (SLACK) | ||||||
| ST | ST Angle Effective (STEEP) | ||||||
| ST | Stack (SLACK) | ||||||
| ST | Stack (STEEP) | ||||||
| ST | Stand Over Height (80 in Front of BB) | ||||||
| ST | Stand Over Height (Lowest Point) | ||||||
| ST | Top Tube (SLACK) | ||||||
| ST | Top Tube (STEEP) | ||||||
| ST | Wheelbase (SLACK) | ||||||
| ST | Wheelbase (STEEP) | ||||||
| Fork Length | 387 | 387 | 387 | 387 | 387 | 387 |
| Fork Rake | 50 | 50 | 45 | 45 | 45 | 45 |
| Front Center | 596 | 610 | 608 | 619 | 632 | 644 |
| Front Center (SLACK) | ||||||
| Front Center (STEEP) | ||||||
| Head Tube | 85 | 106 | 123 | 144 | 170 | 196 |
| Head Tube Angle | 71 | 71 | 72 | 72 | 72 | 72 |
| HT Angle (SLACK) | ||||||
| HT Angle (STEEP) | ||||||
| Pad Reach Flat Cockpit | ||||||
| Pad Reach V-Cockpit | ||||||
| Pad Stack Flat Cockpit | ||||||
| Pad Stack V-Cockpit | ||||||
| Reach (SLACK) | ||||||
| Reach (STEEP) | ||||||
| Rear Center | 420 | 420 | 420 | 420 | 420 | 420 |
| Saddle Height Range | ||||||
| Seat Angle | 73 | 73 | 73 | 73 | 73 | 73 |
| Seat Tube | 428 | 452 | 468 | 493 | 513 | 533 |
| Seatpost Drop | ||||||
| Seatpost Length | 281.5 | 321.5 | 361.5 | 361.5 | 401.5 | 401.5 |
| Seatpost Offset | 15 | 15 | 15 | 15 | 15 | 15 |
| ST Angle @750mm Saddle Height (SLACK) | ||||||
| ST Angle @750mm Saddle Height (STEEP) | ||||||
| ST Angle Actual (SLACK) | ||||||
| ST Angle Actual (STEEP) | ||||||
| ST Angle Effective (SLACK) | ||||||
| ST Angle Effective (STEEP) | ||||||
| Stack (SLACK) | ||||||
| Stack (STEEP) | ||||||
| Stand Over Height (80 in Front of BB) | ||||||
| Stand Over Height (Lowest Point) | ||||||
| Standover Height | 684 | 722 | 756 | 780 | 798 | 818 |
| Stem Angle | -12.5 | -12.5 | -12.5 | -12.5 | -12.5 | -12.5 |
| Stem Length | 80 | 90 | 90 | 90 | 100 | 110 |
| Top Tube | 546 | 559 | 569 | 579 | 592 | 604 |
| Top Tube (SLACK) | ||||||
| Top Tube (STEEP) | ||||||
| Trail | 66 | 66 | 68 | 68 | 68 | 68 |
| Wheelbase | 1003 | 1017 | 1015 | 1026 | 1039 | 1051 |
| Wheelbase (SLACK) | ||||||
| Wheelbase (STEEP) |
