Santa Cruz Bullitt 4

Geometry Highlights

• Steering angle: 63.3° (Low) / 63.6° (High)
• Bottom bracket height: 342–346 mm depending on the setting
• Reach: 435mm (SM) to 525mm (XXL)
• Chainstay length: 440–452 mm (size-specific)
• Seatpost: +110 mm insertion depth ( M = 180 mm, L = 210 mm)
• Available for the first time in size S – for smaller riders with an optimal fit.
  

Specifications & Equipment Options

All models come with:

• Maxxis Double Down tires (Assegai front, DHR II rear)
• 170 mm fork (Fox 38 or RockShox Zeb, depending on the kit)
• 205x65 mm damper (Float X or Float X2)
• 12-speed SRAM drivetrain (mechanical or AXS)
• SDG Tellis or OneUp Dropper Post (up to 210mm)
• Robust aluminum or carbon rims with e-bike-specific hubs
• SRAM DB8 or Maven brakes with large 200–220 mm rotors
  
  Weight (depending on equipment): 21.85 – 22.5 kg

Design & workmanship

• Enclosed downtube – protects the technology, rattle-free and durable
• Main bearings on pre-tensioned clamping axes with expanding wedge – no loosening, easy to maintain
• 5 mm Allen key socket on all screws – quick checks without special tools
• Replaceable threaded inserts at critical points
• Tool holder under the top tube

Bosch Features

• Optional: 250 Wh PowerMore Range Extender (Aftermarket)
• Adjust driving modes
• Plan routes
• Update firmware wirelessly
• Wireless control discreetly integrated into the top tube

Chassis & Chassis

• One-piece, braced linkage for maximum stiffness
• Seat stay bridge – more control & less twisting
• 4 oversized bearings on the chainstay
• Replaceable threaded inserts at all critical points
• Secured axles & flip chips – no more losing small parts
• Slimmed-down downtube – robust, rattle-free & stylish
• Tool holder on the top tube