Mafiabikes BlackJack D Dirt Bike – key features:

• Rider height: 150–190 cm
• Handlebar: aluminium | height: 50 mm | width: 737 mm | diameter: 31.8 mm
• Fork: coil / oil | 100 mm travel
• Tyres: front Lagos Snakeskin 2 26" × 2.5", rear Kenda 26" × 2.30"
• Rider level: beginner
• Weight: 13.6 kg

Dirt jump bike for beginners and first tricks

Mafiabikes BlackJack D is designed for riders who are getting into dirt jumping and want to learn their first tricks. The frame geometry is suitable for riders approximately 150–190 cm tall, giving the bike a wide rider height range.

The RST Dirt R suspension fork with 100 mm travel helps absorb impacts from landings and uneven terrain. The 737 mm wide aluminium handlebar provides good control when approaching jumps and practising tricks.

An integrated headset with sealed bearings makes barspins possible, while the double-wall 26" rims are built to handle the demands of dirt riding. The bike uses a Lagos Snakeskin 2 26" × 2.5" tyre at the front and a Kenda 26" × 2.30" tyre at the rear.

Why choose the Mafiabikes BlackJack D?

A solid choice for getting started with dirt jumping. The BlackJack D is aimed at riders learning their first jumps and basic tricks on a 26" dirt bike.

100 mm of fork travel for jumps and landings. The RST Dirt R fork uses a coil and oil system and offers 100 mm of travel.

Hydraulic rear brake. A Zoom hydraulic disc brake with a 160 mm rotor provides braking at the rear.

Simple, durable drivetrain for dirt riding. The three-piece Cr-Mo cranks are 170 mm long and run on a MID BB with sealed bearings. The gearing combines a 25T chainring with a 10T driver.

Total weight of 13.6 kg. The BlackJack D remains manageable when learning basic tricks and developing confidence on dirt jumps and pump tracks.

Mafiabikes BlackJack D – what dirt jump bike should you choose as a beginner?

If you are starting out in dirt jumping, you need a bike designed for jumps, pump tracks and learning basic tricks. The BlackJack D combines compact dirt geometry with 26" wheels, 100 mm fork travel, a singlespeed drivetrain and a hydraulic rear brake.

Mafiabikes BlackJack D – detailed technical specification:

Handlebar:

• Material: aluminium
• Height: 50 mm
• Width: 737 mm
• Diameter: 31.8 mm

Suspension fork:

• RST Dirt R
• Coil / oil
• Travel: 100 mm
• Fixed preload

Stem:

• Mafiabikes
• Aluminium
• Forged
• Short

Rims:

• 26"
• Aluminium
• Double-wall

Tyres:

• Front: Lagos Snakeskin 2 26" × 2.5"
• Rear: Kenda 26" × 2.30", 58-559, 30–80 PSI, 2.0–5.6 bar, 200–560 kPa

Headset:

• Integrated
• Sealed cartridge bearings

Cranks:

• Cr-Mo
• 3-piece
• Length: 170 mm
• Bottom bracket: MID BB
• Sealed cartridge bearings

Chainring:

• Mafiabikes
• 25T

Front hub:

• Aluminium
• 10 mm (3/8") Cr-Mo axle
• 36H

Rear hub:

• Cassette
• 10 mm (3/8") Cr-Mo axle
• Sealed cartridge bearings
• 36H
• Driver: 10T

Brake:

• Hydraulic disc brake
• Rear
• Zoom
• Rotor: 160 mm

Saddle:

• Mafiabikes
• 1-piece
• Combo
• Vinyl

Pedals:

• Mafiabikes
• Vinyl
• 9/16"

Grips:

• Lucky 6

Frame:

• Integrated seat clamp
• CNC-machined head tube
• Reinforcement gussets on the top and down tubes

Frame geometry:

• (A) Top tube (TT): 570 mm
• (B) Chainstay (CS): 396 mm
• (C) Head tube angle (HA): 69°
• (D) Seat tube angle (ST): 71°
• (E) Bottom bracket height (BB): 315 mm
• (F) Standover height (SO): 279 mm

Wear and maintenance information

Dirt bikes are exposed to high loads during jumps and tricks. Components can wear out or become damaged during normal use. Regularly inspect the bike, especially all bolts and fasteners, drivetrain, brake pads, brake rotor, bearings, tyres and grips.

Important before your first ride:

• The bike is delivered approximately 90% assembled.
• Before riding, install the pedals, handlebar and, if required, the front wheel.
• An initial service inspection is required before use.
• The inspection must be carried out by a professional bicycle workshop.
• Failure to complete the required initial inspection will result in loss of warranty.
• Keep the receipt confirming that the service inspection was carried out.