
The 265/70R17 Tire and 27.5" (650B) Bike Tire are most easily told apart by their overall size. On height, the 265/70R17 Tire measures 803.0 mm against the 27.5" (650B) Bike Tire's 700.0 mm — about 103.0 mm more. On width, the 265/70R17 Tire measures 803.0 mm against the 27.5" (650B) Bike Tire's 700.0 mm — about 103.0 mm more. On thickness, the 265/70R17 Tire measures 265.0 mm against the 27.5" (650B) Bike Tire's 55.0 mm — about 210.0 mm more.
The 265/70R17 Tire is the heavier of the two at 20.00 kg, compared with 800 g for the 27.5" (650B) Bike Tire. That is a 19.20 kg difference (2,400%). The weight gap is modest and rarely the headline difference between them.
| Metric | 265/70R17 Tire | 27.5" (650B) Bike Tire | Diff |
|---|---|---|---|
| Width | 803.0 mm | 700.0 mm | +103.0 mm |
| Height | 803.0 mm | 700.0 mm | +103.0 mm |
| Depth | 265.0 mm | 55.0 mm | +210.0 mm |
| Weight | 20.00 kg | 800 g | +19.20 kg |