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MSRP | $2,399 | $2,599 | $2,650 | $3,245 | $3,350 | $3,945 | $4,050 |
|---|---|---|---|---|---|---|---|
Where to Buy | — $1 At | — $1 At | — $1 At | — $1 At | — $1 At | — $1 At | — $1 At |
Category | Gravel | Gravel | Gravel | Gravel | Gravel | Gravel | Gravel |
| Carbon | Carbon | Carbon | Carbon | Carbon | Carbon | Carbon | |
Fork | Carbon | Carbon | Carbon | Carbon | Carbon | Carbon | Carbon |
Wheels | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum |
Wheel Size | 700c / 650b | 700c / 650b | 700c / 650b | 700c / 650b | 700c / 650b | 700c / 650b | 700c / 650b |
Clearance | 45c | 45c | 45c | 45c | 45c | 45c | 45c |
Brakes | Hydraulic Disc | Hydraulic Disc | Hydraulic Disc | Hydraulic Disc | Hydraulic Disc | Hydraulic Disc | Hydraulic Disc |
Groupset | GRX 400, GRX 600 | 105, FSA | GRX 800, GRX 600 | Ultegra, FSA | GRX 800 | Ultegra Di2, FSA | GRX Di2, GRX 800 |
Drivetrain | 2 × 10 | 2 × 11 | 2 × 11 | Electronic | 2 × 11 Electronic | ||
Seatpost | Rigid | Rigid | Rigid | Dropper | Dropper | Rigid | Dropper |
Brand Site |
Based on frame geometry and build specs.
A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.
(climbing)
34 mph
Boundary GRX 400
36 mph
Boundary 105
34 mph
Boundary GRX 600
36 mph
Boundary Ultegra RX
36 mph
Boundary GRX 810
36 mph
Boundary Ultegra Di2 RX
36 mph
Boundary GRX 810 Di2
(descending)
Frame | Carbon Fiber BB Standard: BB86/BB92, Press Fit Tire Clearance: 45c | Carbon Fiber BB Standard: BB86/BB92, Press Fit Tire Clearance: 45c | Carbon Fiber BB Standard: BB86/BB92, Press Fit Tire Clearance: 45c | Carbon Fiber BB Standard: BB86/BB92, Press Fit Tire Clearance: 45c | Carbon Fiber BB Standard: BB86/BB92, Press Fit Tire Clearance: 45c | Carbon Fiber BB Standard: BB86/BB92, Press Fit Tire Clearance: 45c | Carbon Fiber BB Standard: BB86/BB92, Press Fit Tire Clearance: 45c |
|---|---|---|---|---|---|---|---|
Fork | Boundary Carbon, Multiple Rack/Fender/Cargo Mounts | Boundary Carbon, Multiple Rack/Fender/Cargo Mounts | Boundary Carbon, Multiple Rack/Fender/Cargo Mounts | Boundary Carbon, Multiple Rack/Fender/Cargo Mounts | Boundary Carbon, Multiple Rack/Fender/Cargo Mounts | Boundary Carbon, Multiple Rack/Fender/Cargo Mounts | Boundary Carbon, Multiple Rack/Fender/Cargo Mounts |
Bottom Bracket | Shimano BB86 | FSA | Shimano BB86 | FSA | Shimano BB86 | FSA | Shimano BB86 |
Headset | Cane Creek 40 Series | Cane Creek 40 Series | Cane Creek 40 Series | Cane Creek 40 Series | Cane Creek 40 Series | Cane Creek 40 Series | Cane Creek 40 Series |
Stem | Easton EA50 | Easton EA50 31.8 | Easton EA50 31.8 | Easton EA70 31.8 | Easton EA70 31.8 | Easton EA70 31.8 | Easton EA70 31.8 |
Handlebar | Easton EA50AX | Easton EA50 AX 31.8 | Easton EA50 AX 31.8 | Easton EA70AX | Easton EA70AX | Easton EA70AX | Easton EA70AX |
Saddle | WTB Volt Medium Steel | WTB Volt Medium Steel | WTB Volt Medium Steel | WTB Volt Medium Cromoly | WTB Volt Medium Cromoly | WTB Volt Medium Cromoly | WTB Volt Medium Cromoly |
Seatpost | Easton EA50 | Easton EA50 Zero Setback | Easton EA50 Zero Setback | Easton EA70 Zero Setback | Easton EA70 Zero Setback | Easton EA50 Zero Setback | Easton EA70 Zero Setback |
Rear Derailleur | Shimano GRX RX400 10 spd | Shimano 105 R7000 | Shimano GRX RX810 | Ultegra RD-RX800 | Shimano GRX RX810 | Ultegra RD-RX805 | Shimano GRX RX815 Di2 |
|---|---|---|---|---|---|---|---|
Front Derailleur | Shimano GRX RX400 10 spd | Shimano 105 R7000 | Shimano GRX RX810 | Ultegra R8000 | Shimano GRX RX810 | Ultegra Di2 R8050 | Shimano GRX RX815 Di2 |
Crank | Shimano GRX RX600 46x30 10 spd | FSA Gossamer Pro 386EVO 48/32 | Shimano GRX RX600 46x30 | FSA Gossamer Pro 386EVO 48/32 | Shimano GRX RX810 48x31 | FSA Gossamer Pro 386EVO 48/32 | Shimano GRX RX810 48x31 |
Shifters | Shimano GRX RX400 10 spd | Shimano R7020 | Shimano GRX RX600 | Ultegra R8020 | Shimano GRX RX810 | Ultegra Di2 R8070 | Shimano GRX RX815 Di2 |
Cassette | Shimano HG50 11-36 10 spd | Shimano HG700 11-34 | Shimano HG700 11-34 | Ultegra HG800 11-34 | Ultegra HG800 11-34 | Ultegra HG800 11-34 | Ultegra HG800 11-34 |
Chain | Shimano HG54 10 spd | Shimano HG601 | Shimano HG601 | Shimano HG701 | Shimano HG701 | Shimano HG701 | Shimano HG701 |
Brakes | Shimano GRX RX400 Hydraulic Type: Hydraulic Disc | Shimano 105 Type: Hydraulic Disc | Shimano GRX RX400 Hydraulic Type: Hydraulic Disc | Ultegra Hydraulic Disc Type: Hydraulic Disc | Shimano GRX RX810 Hydraulic Type: Hydraulic Disc | Ultegra Hydraulic Disc Type: Hydraulic Disc | Shimano GRX RX810 Hydraulic Type: Hydraulic Disc |
Rims | Select Wheels Above | Select Wheels Above | Select Wheels Above | Select Wheels Above | Select Wheels Above | Select Wheels Above | Select Wheels Above |
|---|---|---|---|---|---|---|---|
Tires | Panaracer Gravel King SK 700x43c Tubeless | Panaracer Gravel King SK 700x43c Tubeless | Panaracer Gravel King SK 700x43c Tubeless | Panaracer Gravel King SK 700x43c Tubeless or Panaracer Gravel King SK 650X48c Tubeless | Panaracer Gravel King SK 700x43c Tubeless or Panaracer Gravel King SK 650X48c Tubeless | Panaracer Gravel King SK 700x43c Tubeless or Panaracer Gravel King SK 650X48c Tubeless | Panaracer Gravel King SK 700x43c Tubeless or Panaracer Gravel King SK 650X48c Tubeless |
Disc Rotors | Shimano RT66 160mm | Shimano RT66 160mm | Shimano RT66 160mm | Shimano XT MT800 160mm | Shimano XT MT800 160mm | Shimano XT MT800 160mm | Shimano XT MT800 160mm |