Beyond+ Midtail
"Make your escape with a minimum of fuss."
Bombtrack Beyond+ Midtail
The Beyond+ Midtail is a tough, adventure-ready midtail cargo bike built for bikepacking and heavy hauling. Its suspension corrected chromoly frame features a robust, quadruple butted downtube with reinforced wall thickness at the headtube junction, ensuring strength where it matters most. The matching Seido BPS chromoly steel fork is also suspension corrected and equipped with triple cage mounts, making it ideal for hauling the gear needed for long range trips. A Shimano Deore 12-speed drivetrain with a wide range 10 – 51 T cassette gives you all the gearing you need for loaded climbs and rough remote routes. Powerful Shimano Deore hydraulic brakes, with four pistons in the front and two in the rear, deliver maximum braking control. Rolling on tubeless-ready Seido Magnon i35 rims and Maxxis Rekon 29” x 2.6” tires, the Beyond+ Midtail is built to go further - fully loaded.
Frame & Fork
- Color: Metallic burgundy
- Frame: 4130 double butted crmo, TA, rack / fender mounts, Boost spacing, stealth dropper ready, ED coating, 73 mm BSA BB shell
- Fork: Seido BPS 4130 crmo, double butted blades, 1.1/2'' - 1.1/8'', fender / rack / triple cage mounts, ED coating, internal hub dynamo cable routing
Drivetrain & Shifting
- Rear derailleur: Shimano Deore RD-M6100-SGS, clutch
- Chain: Shimano Deore CN-M6100 chain, 1/2'' x 11/128''
- Cassette: Shimano Deore CS-M6100 12-speed, 10 - 51 T
- Crankset: Shimano Deore FC-M6100-1 aluminium crank, Boost
- Chainring: Shimano Deore, narrow-wide, 30 T
- Bottom bracket: BSA sealed BB, external cup
Wheels & Tires
- Front hub: Bombtrack Grad Boost sealed hub, 6-bolt disc
- Rear hub: Bombtrack Grad Boost sealed hub, Microspline driver, 6-bolt disc
- Through axles: 15 x 110 mm / 12 x 148 mm
- Front rim: Seido Magnon i35 heavy duty asymmetric, tubeless ready, 32h
- Rear rim: Seido Magnon i35 heavy duty asymmetric, tubeless ready, 32h
- Front tire: Maxxis Rekon 29'' x 2.6'' EXO TR, Dual Compound, tubeless ready
- Rear tire: Maxxis Rekon 29'' x 2.6'' EXO TR, Dual Compound, tubeless ready
Cockpit
- Handlebar: Seido Deviation flat bar, 31.8 mm, 840 mm width, 15° backsweep
- Grips: Bombtrack Scroll grips
- Stem: Seido Tramp forged aluminium stem, 3°
- Headset: Sealed semi integrated / external aheadset, 1.1/2'' - 1.1/8''
Seats & Seatpost
- Seat: Seido Origin seat
- Seat post: Seido Yew aluminium seatpost, 30.9 mm x 400 mm
- Seat clamp: Bombtrack Origin 34.9 mm
Brakes
- Brake levers: Shimano Deore BL-M6100 hydraulic
- Brakes: Shimano Deore 4 piston front, 2 piston rear
- Rotors: Shimano Deore 203 mm front and 180 mm rear rotor
Weight & Limits
- Complete weight: 17.1 kg (size M)
- Weight frame: 4700 g frame (size M, incl. TA, hanger)
- Weight fork: 1690 g (300 mm steerer, incl. TA)
- Maximum rider weight: 200 kg incl. luggage
- ASTM riding condition: 3
Accessories
- Kickstand: Seido Arcade center mount double leg kickstand
The Beyond+ Midtail is a tough, adventure-ready midtail cargo bike built for bikepacking and heavy hauling. Its suspension corrected chromoly frame features a robust, quadruple butted downtube with reinforced wall thickness at the headtube junction, ensuring strength where it matters most. The matching Seido BPS chromoly steel fork is also suspension corrected and equipped with triple cage mounts, making it ideal for hauling the gear needed for long range trips. A Shimano Deore 12-speed drivetrain with a wide range 10 – 51 T cassette gives you all the gearing you need for loaded climbs and rough remote routes. Powerful Shimano Deore hydraulic brakes, with four pistons in the front and two in the rear, deliver maximum braking control. Rolling on tubeless-ready Seido Magnon i35 rims and Maxxis Rekon 29” x 2.6” tires, the Beyond+ Midtail is built to go further - fully loaded.
Frame
- BB standard: BSA - 73 mm shell width
- Frame max tire clearance w/o fender: 29'' x 3.0''
- Frame front derailleur compatible: yes
- Front derailleur clamp diameter: 34.9 mm
- Brake mount rear: IS
- Maximum rotor clearance rear: 180 mm
- Bike trailer: approved
- Seat tube mounted child seat: approved
- ISO testing standard: MTB
Fork
- Fork max tire clearance w/o fender: 29'' x 3.0''
- Fork steerer inner diameter: 25.4 mm
- Headset standard (S.H.I.S.):
ZS44 / 28.6 | EC44 / 40 - Headset crown race angle: 45°
- Brake mount front: PM 6''
- Maximum rotor clearance front: 203 mm
Drivetrain
- Maximum chainring clearance 1x:
48 T with 52 mm chainline - Crankarm: 170 mm
- Q Factor: 178 mm
- BCD crank: Shimano direct mount
- Chainring offset: -
- Chainline: 55 mm
Seat & Seatpost
- Seat post diameter: 30.9 mm
- Seat post offset: 0 mm
- Seat post length: 400 mm
- Seat clamp diameter: 34.9 mm
Spare Parts
- Derailleur hanger: Sram UDH
- Frame small parts: BT-CR-006 / BT-CR-008
- Hub end caps front: BT-HC-016
- Cassette body: BT-CB-008
- Through axle front: BT-TA-F-605
- Through axle rear: BT-TA-R-609
Cockpit
- Stem length: 50 mm
- Stem angle: 3°
- Headset spacers: 1 x 10 mm, 2 x 5 mm
Wheels
- Spoke count (front / rear): 32 / 32
- Front through axle:
15 mm x 110 mm, 1.5 thread pitch - Rear through axle:
12 mm x 148 mm, 1.0 thread pitch - ERD: 600 mm
- Front hub PCD: 58 mm
- Rear hub PCD: 58 mm
- Front hub flange distance / offset:
61.5 mm center to center / 3.4 mm - Rear hub flange distance / offset:
58.3 mm center to center / 9.6 mm
Geometry
Frame Bag Templates
