MSRP | ($1,867) | |
|---|---|---|
Where to Buy | — $1 At | — $1 At |
Category | Gravel | Gravel |
Weight | 23.1 lbs | |
| Aluminum | Steel | |
Fork | Aluminum | Steel |
Wheels | Aluminum | Aluminum |
| 700c | 27.5″ / 29″ | |
Clearance | 2.1" | |
Brakes | Hydraulic Disc | Mechanical Disc |
Groupset | GRX 400, GRX 600 | GX, X5 |
Drivetrain | 2 × 10 | 2 × 10 |
Brand Site | ||
Summary | The Principia 30 and Bombtrack Beyond are both gravel bikes. The 30 has an aluminum frame, aluminum fork, 700c aluminum wheels, and higher gearing; while the Beyond has a steel frame, steel fork, 27.5″ / 29″ aluminum wheels, and better components. | |
Based on frame geometry and build specs.
Frame | Aluminium Colors: Black; Green | double butted crmo tubing, with cage, rack and fender mounts, replaceable hanger, 73 mm BSA shell Colors: Black; Green |
|---|---|---|
Fork | Aluminium | 4130 crmo, tapered double butted blades, 1.1/2" - 1.1/8" tapered steerer, with fender / rack / triple cage mounts |
Bottom Bracket | BSA sealed BB, external | |
Headset | FSA NO.21/12/44 sealed external aheadset, 1.1/2" - 1.1/8" | |
Stem | BOMBTRACK WANDER forged aluminum stem, +17° | |
Handlebar | BOMBTRACK BEYOND travel bar, 31.8 mm, 30° flare | |
Saddle | BOMBTRACK ORIGIN saddle | |
Seatpost | BOMBTRACK BEECH aluminum seatpost, 27.2 mm x 400 mm | |
Pedals | Not included | - |
Grips | BOMBTRACK COMMAND bar tape |
Rear Derailleur | Shimano GRX RX400 | SRAM GX rear derailleur, long cage |
|---|---|---|
Front Derailleur | Shimano GRX RX400 | SRAM X5 front derailleur, high clamp |
Crank | Shimano GRX RX600 46-30T | BOMBTRACK AMES forged aluminum crank, 24 mm spindle, Aluminium / Steel, 42/28T |
Shifters | SRAM Apex double tap 2 x 10 | |
Cassette | Sunrace CSMS1 10sp 11-34T | SRAM PG-1020 10-speed cassette, 11-36T |
Chain | KMC X10 chain, 1/2" x 11/128", 114L | |
Brakes | Front: Shimano GRX RX400 hydraulic disc brake, 160 mm. rotor, Rear: Shimano GRX RX400 hydraulic disc brake, 160 mm. rotor | TRP SPYRE C mechanic disc brakes with 180 mm F / 160 mm R rotors |
Rims | Aluminium w. thru-axle (12x125mm front, 12x160,5mm rear) | Front: WTB ST i23 double wall, TCS 2.0, 32h, Rear: WTB ST i23 double wall, TCS 2.0, 32h |
|---|---|---|
Front Hub | Front: BOMBTRACK TITLE-DISC sealed, 6-bolt disc hub, 15 x 100 mm thru-axle, Rear: BOMBTRACK TITLE-DISC sealed hub,11-speed, 6-bolt disc, 12 x 142 mm thru-axle | |
Rear Hub | Front: BOMBTRACK TITLE-DISC sealed, 6-bolt disc hub, 15 x 100 mm thru-axle, Rear: BOMBTRACK TITLE-DISC sealed hub,11-speed, 6-bolt disc, 12 x 142 mm thru-axle | |
Tires | Panaracer GravelKing SK 700x38C | Front: XS - S WTB RANGER TCS Light folding tire, 27.5" x 2.0", M - XL WTB RANGER TCS Light folding tire, 29" x 2.0", Rear: XS - S WTB RANGER TCS Light folding tire, 27.5" x 2.0", M - XL WTB RANGER TCS Light folding tire, 29" x 2.0" |
Lights | - | |
|---|---|---|
Fenders | - | |
Racks | - |