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 2007 |  TrekBoone 2027 |  BMCURS 2022 |  SpecializedAllez 2023 |
|---|---|---|---|---|
| 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 ...
The 2023 Specialized Allez also ditches rim brakes, and is more like an endurance road bike than ever before, with space for 35mm tyres boosting versatility.
# Specialized Allez Sport Disc review ## Specialized Allez frameset Specialized says it used its Retül bike fit database to refine the frame geometry, which is now the same as t…