Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
BMC
2025 BMC Kaius 01 FOUR
Value Guide market data · 2025 BMC Kaius 01 FOUR
12-month trend
21%
Direction and magnitude, not judgment
vs. category average
9%
Drops faster than category avg
Price over time - 2025 BMC Kaius 01 FOUR
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Kaius model years
2025 Kaius 01 FOUR lineup
Overview
About this bike
2025 BMC Kaius 01 FOUR value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- 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
- 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
Drivetrain
- Groupset
- SRAM Rival
- Bottom Bracket
- SRAM Press Fit DUB
- Cassette
- SRAM Rival XPLR (CS-XG-1351-E1)
- Chain
- SRAM Rival (CN-RIV-E1)
- Chainrings
- 42T
- Crankset
- SRAM Rival AXS Wide (FC-RIV-1W-E1)
- Rear Derailleur
- SRAM Rival XPLR AXS (RD-RIV-1E-E1)
- Shifters
- SRAM Rival AXS (ED-RIV-E1)
Brakes
- Brake Levers
- SRAM Rival AXS (ED-RIV-E1)
- Rotors
- SRAM Paceline | Centerlock
Cockpit
- Handlebar
- BMC HB D4 03, 0, 12 | Alloy 6061 | 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
- Stem
- BMC RSM 01 | Integrated Cockpit System Technology
Wheels & Tires
- Front Tire
- Pirelli Cinturato Gravel H | 40mm
- Hubs
- CG 40
- Rear Tire
- Pirelli Cinturato Gravel H | 40mm
- Rims
- CG 40 Carbon | Tubeless Ready | 40mm
- Wheel Size
- 700c
Accessories
- Accessories & Extras
- Aerocore Design Carbon Bottle Cages
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Carbon inspection
Tap test the frame, fork, seatpost, and bars for cracks; verify no impact damage near dropouts.
Inspection
Brake hoses & cables
Check hydraulic line bleed, cable housing wear, and confirm rotors are within spec.