You pull up beside the KHS Vitamin B Hybrid Fitness Bike and it greets you with practicality and quiet readiness.  Its frame- 6061-series aluminum, double-butted and custom-formed - strikes a balance between lightness and durability. 

Climb aboard and you immediately appreciate the thoughtful geometry: a comfortable, moderately upright posture that keeps your back and shoulders relaxed- perfect for commuting, errands, or a long, easy-paced weekend ride.

The 700c wheels wrapped in 32c tires (Kenda Kwick Journey) give you smooth rolling and a little extra cushion against bumps, while the double-wall aluminum rims add strength and reliability. 

Shift through gears with the 2×8 setup (front by Shimano Claris FD-R2000, rear by Shimano Altus M310, paired with Microshift SL-R758 triggers and an 50/34T compact crankset); it’s simple, predictable, and well-suited for city streets, hilly commutes, or relaxed rides. 

Stopping power comes from mechanical (cable-actuated) disc brakes with 160 mm rotors- a nice safety bonus if you’re riding in wet weather or in stops-and-go traffic. 

Overall, the 2025 KHS Vitamin B doesn’t fuss- it’s a workhorse hybrid: steady, dependable, easy to live with.  It’s the kind of bicycle that quietly gets you where you need to go, weekday or weekend, without the drama: just a smooth, reliable ride that feels right whether you’re commuting, errands-ing, or just enjoying a breezy ride through town or light trails.

Features:

• 16 Speed
  
• Aluminum frame & fork
  
• 2x8 drivetrain
  
• Cable disc brakes
  
• Shimano rear derailleur

Product Specifications:

• Frame 6061 Aluminum, Double Butted w/Custom Formed T/T, Internal
  Cable, Disc, Replaceable Derailleur Hanger
  
• Fork Aluminum Straight Leg
  
• Headset FSA Intellaset, Threadless Slimstack, 1-1/8
  
• Rims Weinmann Aquila 21 Aluminum, 700c x 32H, Double wall
  
• Hub, Front KK Aluminum Disc QR
  
• Hub, Rear KK Aluminum Disc QR, Cassette
  
• Tires Kenda Kwick Journey, 700 x 32c w/Anti-Puncture
  
• Spokes 14G Black, 32x32
  
• Derailleur, Front Shimano Claris FD-R2000, 31.8mm
  
• Derailleur, Rear Shimano Altus M310
  
• Shifters Microshift SL-R758 Triggers
  
• Chain KMC Z8.3
  
• Crankset Aluminum Forged, 50/34T w/CG, XS-S; 170mm, M-XXL:
  175mm
  
• BB Cartridge Bearing, 110.5
  
• Freewheel / Cassette Shimano CS-HG31-8,11-34T, 8-Speed
  
• Pedals Resin w/Steel Cage & DU Bearing
  
• Seatpost KHS Aluminum Micro-Adjust, 27.2x350
  
• Saddle KHS Fitness Padded
  
• Handlebar Aluminum 620x20mm Rise=Men’s, 600x20mm=Ladies,
  31.8mm
  
• Stem KHS Aluminum 3D Forged, Threadless 4-bolt, 7-degree,
  31.8mm, S:80mm, M-L:90mm, XL:100mm, Ladies:80mm
  
• Grips Velo Silicone Foam
  
• Brake Levers Aluminum Liner Pull, 3F
  
• Brakes Bengal Cable Disc, MB606, 160mm Rotors Wave ‘12’ w/ABS System
• Frame Size XS/13, S/15.5, M/18, L/20.5, XL/23, Ladies: XS/13, S/15.5

Geometry: