Trek Boone
CX racers. If you want gravel capability, look at Checkpoint or Checkmate instead.
A UCI cyclocross race bike with IsoSpeed on some generations. Tight, muddy, and built to be shouldered — not a Checkpoint with CX tires.
CX racers. If you want gravel capability, look at Checkpoint or Checkmate instead.
A UCI cyclocross race bike with IsoSpeed on some generations. Tight, muddy, and built to be shouldered — not a Checkpoint with CX tires.
Adventure gravel riders.
BMC's original gravel/adventure bike: stable, mounts, calmer than Kaius.
New road riders and anyone who wants Specialized road geometry without carbon race numbers.
The endurance/entry alloy Specialized: taller and calmer than Allez Sprint. It is a first road bike and a winter beater, not a Tarmac.
| Measurement | GunnarSport 2022 | ![]() TrekBoone 2027 | ![]() BMCURS 2022 | ![]() SpecializedAllez 2022 |
|---|---|---|---|---|
| Stackmm | 582 | 580−2 | 600+18 | 580−2 |
| Reachmm | 388 | 387−1 | 400+12 | 380−8 |
| Head tube angle° | 73.0 | 72.0−1.0 | 71.0−2.0 | 73.0 |
| Seat tube angle° | 73.0 | 73.6+0.6 | 73.5+0.5 | 73.0 |
| Chainstaymm | 412 | 425+13 | 435+23 | 415+3 |
| Wheelbasemm | 1002 | 1020+18 | 1068+66 | 1012+10 |
| BB dropmm | 72 | 66−6 | 76+4 | 70−2 |
| BB heightmm | — | — | — | — |
| Standovermm | — | — | — | — |





| Part | Sport 56 | Boone 56 | URS L | Allez 56 |
|---|---|---|---|---|
| Stem | 100 mm | 100 mm | 110 mm | 100 mm |
| Bar | 420 mm | 420 mm | 440 mm | 420 mm |
| Crank | 172.5 mm | 172.5 mm | 175 mm | 172.5 mm |
Based closely on BMC's Team Elite cross country hardtail, the carbon fibre URS introduced modern off-road geometry concepts with a longer front centre combined ...
All in all, the BMC URS succeeds in being a smooth, endurance-type gravel bike, able to handle mellow long-distance bike packing trips or hustle ...
Price: £2,650 / €3,500 / $3,000 · Frame: Specialized Allez Sprint · Size: 56cm · Weight: TBC · Groupset: Shimano 105 R7000 · Crankset: Shimano 105 R7000 52-36 ...
The 2022 Specialized Allez Sprint Disc is a very fast aluminium road bike that handles brilliantly. The frame is stiff enough to cope with sprints, but it won't ...