Just announced, the 2021 Bombtrack Cale steel hardtail gets a few tweaks, a new build kit, and 29″ tires. Plus, Bombtrack rolled out a brand new and more affordable aluminum model, the Cale AL. Find all the details with exclusive photos and launch videos here…

Photos by Jason Sellers

Building on the success of the Beyond+ rigid mountain bikes, Bombtrack released the Cale last year to position a more modern steel hardtail within their lineup. With a 130mm suspension fork and a more progressive geometry, the Cale is a little more playful on the trail than the Beyond+ bikes, but still remains plenty capable for bikepacking with plenty of mounting options. Think of it as a mountain bike built for big backcountry rides and more technical bikepacking exploits. For 2021, they keep the steel model in the lineup and add an aluminum version. Here are the details on both…

2021 Bombtrack Cale

The 2021 Bombtrack Cale features a 4130 double-butted chromoly frame with rack/fender mounts, Boost spacing, internal dropper cable routing, and 73mm BSA bottom bracket shell. The frame features mounts for a read rack, three-pack mounts on the top and bottom of the downtube, and a pair of mounts at the cockpit for a direct mount top tube bag. For 2021, the Cale comes setup as a 29er instead of 27.5+.

2021 Bombtrack Cale
  • BB Standard: BSA – 73mm shell width
  • Fork Max Tire Clearance: 27.5″ x 2.8″ / 29″ x 2.5″
  • Frame Max Tire Clearance: 27.5″ x 2.8″ / 29″ x 2.4″
  • Maximum chainring clearance 1x: 32 T with 52mm chainline
  • Seat Post Diameter: 30.9mm
  • Maximum rotor clearance front: 220mm
  • Maximum rotor clearance rear: 180mm
  • Front through axle: 15mm x 110mm
  • Rear through axle: 12mm x 148mm
  • Crankarm: S-M 170mm / L-XL 175mm
  • Spoke count (front / rear): 32 / 32
  • 2021 Bombtrack Cale
  • 2021 Bombtrack Cale
  • 2021 Bombtrack Cale
  • 2021 Bombtrack Cale
  • 2021 Bombtrack Cale

The Cale build kit looks solid, featuring Maxxis Ardent 29 x 2.4” tires, an updated SRAM GX Eagle 12-speed drivetrain with an 11-52t cassette, Magura Trail Sport 4-piston hydraulic brakes, WTB i29 rims, and a Rockshox Pike Select 130mm fork. Here’s the full build kit.

  • Model CALE
  • Color 1 Glossy Dark Teal / Cyan
  • Fork ROCKSHOX PIKE SELECT suspension fork, 130mm travel, 1.1/2″-1.1/8″
  • Handlebar BOMBTRACK ILLUSION 800mm/35mm flat bar, 8° backsweep, 6° upsweep, 18mm rise
  • Grips BOMBTRACK RETURN 135mm grips
  • Stem BOMBTRACK CHASE forged aluminium stem, 35mm clamping diameter
  • Headset Sealed semi integrated / external aheadset, 1.1/2″-1.1/8″
  • Levers MAGURA TRAIL SPORT hydraulic
  • Shifter SRAM GX-EAGLE 12-speed trigger shifter
  • Brakes MAGURA TRAIL SPORT 4 piston front, 2 piston rear with 180mm rotors
  • Crankset SRAM DESCENDANT aluminium crank, Boost DUB
  • BB SRAM DUB BSA 73mm
  • Chain SRAM GX EAGLE chain, 1/2″ x 11/128″, 118L
  • Chainring SRAM EAGLE X-SYNC 2, narrow-wide, 30 T
  • Cassette SRAM XG-1275 EAGLE 12-speed cassette, 10-52T
  • Rear derailleur SRAM GX EAGLE, clutch, long cage
  • Front hub BOMBTRACK GRAD sealed hub, 6-bolt disc, 15 x 110mm thru-axle
  • Rear hub BOMBTRACK GON sealed hub, XD driver, 6-bolt disc, 12 x 148mm thru-axle
  • Front rim WTB ST i29 double wall, TCS 2.0, 32h
  • Rear rim WTB ST i29 double wall, TCS 2.0, 32h
  • Saddle BOMBTRACK ORIGIN saddle
  • Seat post KS E30i dropper seatpost, 30.9mm, 150mm travel, 485mm length
  • Seat clamp BOMBTRACK ORIGIN forged aluminium seat clamp, 34.9mm
  • Front tire MAXXIS ARDENT 29 x 2.4″ TLR, tubeless ready
  • Rear tire MAXXIS ARDENT 29 x 2.4″ TLR, tubeless ready
  • Weight (size M) 13.8 kg
  • Maximum rider weight incl. luggage 140 kg
  • 2021 Bombtrack Cale
  • 2021 Bombtrack Cale
  • 2021 Bombtrack Cale
2021 Bombtrack Cale Geometry

The 2021 Bombtrack Cale comes in three sizes (M, L, XL) and is available as a complete for 3,789.99 USD / 3.199,99 €uro / 378.00 ¥ / 3.100,00 GBP or as a frame-only for 829.99 USD / 749,99 €uro / 89.80 ¥ / 650,00 GBP / 975,00 CAD.

2021 Bombtrack Cale AL
Photo by Florian Boquet

2021 Bombtrack Cale AL

The 2021 Bombtrack Cale AL is a more affordable alloy version of the Cale trail bike with a 6061-T6 hydro-formed aluminium frame. The Cale AL gets all the same mounts featuring rack/fender mounts, Boost spacing, internal dropper cable routing, and a 73mm BSA bottom bracket shell.

2021 Bombtrack Cale AL
  • BB Standard: BSA – 73mm shell width
  • Fork Max Tire Clearance w/o fender: 27.5″ x 2.8″ / 29″ x 2.5″
  • Frame Max Tire Clearance w/o fender: 27.5″ x 2.8″ / 29″ x 2.4″
  • Maximum chainring clearance 1x: 34 T with 52mm chainline
  • Seat Post Diameter: 30.9mm
  • Maximum rotor clearance front: 220mm
  • Maximum rotor clearance rear: 180mm
  • Front through axle: 15mm x 110mm
  • Rear through axle: 12mm x 148mm
  • Crankarm: M 170mm / L-XL 175mm
  • Spoke count (front / rear): 32 / 32
  • 2021 Bombtrack Cale AL
  • 2021 Bombtrack Cale AL
  • 2021 Bombtrack Cale AL
  • 2021 Bombtrack Cale AL
  • 2021 Bombtrack Cale AL

To shave off over $1200 from the bottom line, the 2021 Bombtrack Cale AL has a slightly lower-end spec than the steel version. Notable differences include a Rockshox 35 Gold RL 130mm travel fork, Kenda Hellcat Pro ATC 29 x 2.4” tires, SRAM Level T brakes, and a SRAM SX Eagle 12-speed drivetrain. Here’s the full build kit.

  • Model CALE AL
  • Color Matt Hazy Green
  • Fork ROCKSHOX 35 GOLD RL suspension fork, 130mm travel, 1.1/2″-1.1/8″
  • Handlebar BOMBTRACK ILLUSION 800mm/35mm flat bar, 8° backsweep, 6° upsweep, 18mm rise
  • Grips BOMBTRACK RETURN 135mm grips
  • Stem BOMBTRACK CHASE forged aluminium stem, 35mm clamping diameter
  • Headset Sealed integrated aheadset, 1.1/2″-1.1/8″
  • Levers SRAM LEVEL hydraulic
  • Shifter SRAM SX-EAGLE 12-speed trigger shifter
  • Brakes SRAM LEVEL hydraulic disc brakes with 180mm F / 160mm R rotors
  • Crankset TRUVATIV STYLO 6K aluminium crank, Boost DUB
  • BB SRAM DUB BSA 73mm
  • Chain SRAM NX EAGLE chain, 1/2″ x 11/128″, 118L
  • Chainring SRAM EAGLE X-SYNC 2, narrow-wide, 30 T
  • Cassette SRAM PG-1210 EAGLE 12-speed cassette, 11-50T
  • Rear derailleur SRAM SX EAGLE, clutch, long cage
  • Front hub BOMBTRACK GRAD sealed hub, 6-bolt disc, 15 x 110mm thru-axle
  • Rear hub BOMBTRACK GRAD sealed hub, XD driver, 6-bolt disc, 12 x 148mm thru-axle
  • Front rim WTB ST i29 double wall, TCS 2.0, 32h
  • Rear rim WTB ST i29 double wall, TCS 2.0, 32h
  • Saddle BOMBTRACK ORIGIN saddle
  • Seat post KS E30i dropper seatpost, 30.9mm, 150mm travel, 485mm length
  • Seat clamp BOMBTRACK ORIGIN forged aluminium seat clamp, 34.9mm
  • Front tire KENDA HELLCAT PRO ATC 29 x 2.4″ TLR, tubeless ready
  • Rear tire KENDA HELLCAT PRO ATC 29 x 2.4″ TLR, tubeless ready
  • Weight (size M) 13.8 kg
  • Maximum rider weight incl. luggage 140 kg
  • v
  • 2021 Bombtrack Cale AL
  • 2021 Bombtrack Cale AL
2021 Bombtrack Cale AL Geometry

The 2021 Bombtrack Cale comes in just two sizes (Medium and Large) and is available as a complete for 2,529.99 USD / 2.199,99 €uro / 258.00 ¥ / 2.000,00 GBP or as a frame-only for 549.99 USD / 499,99 €uro / 59.80 ¥ / 415,00 GBP / 650,00 CAD

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