Topstone Neo Carbon 4

More Give. A Lot More Go.

An e-gravel bike like no other.  Already the most off-road capable and on-road comfortable gravel bike, we’ve now added a Bosch motor for more power. 

Drivetrain

• Chain

  KMC X10EL, 10-speed
• Crank

  FSA Bosch E-Bike, 48/32T
• Front Derailleur

  Shimano GRX 400, braze-on
• Rear Cogs

  Shimano HG500, 11-34, 10-speed
• Rear Derailleur

  Shimano GRX 400, Shadow RD+
• Shifters

  Shimano GRX 400, 2x10

Frameset

• Fork

  BallisTec Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x110 thru axle
• Frame

  BallisTec Carbon Frame, removable downtube battery, Kingpin suspension system, 12x148 thru-axle, dropper post compatible
• Headset

  Integrated, 1.5" lower to 1-1/8" upper, 25mm Alloy top cap

Wheels

• Front Hub

  Formula cartridge bearing, Centerlock, 12x110mm thru-axle
• Rear Hub

  Shimano MT400, Centerlock, 12x148mm thru-axle
• Rims

  WTB ST TCS i23 28h, tubeless ready
• Spokes

  Stainless Steel, 14g
• Tire Size

  37
• Tires

  WTB Riddler Comp, 700 x 37c
• Wheel Size

  700c

Brakes

• Brake Levers

  Shimano GRX hydraulic disc
• Brakes

  Shimano GRX hydraulic disc, 160/160mm RT54 rotors

Components

• Grips

  Cannondale Bar Tape, 3.5mm
• Handlebar

  Cannondale 3, butted 6061 alloy, 16 deg flare drop
• Saddle

  Fabric Scoop Shallow Sport, steel rails
• Seatpost

  Promax SP-2032, Alloy, 27.2
• Stem

  Cannondale 2, 6061 Alloy, 31.8, 7°

E-System

• E-System Battery

  Bosch PowerTube 500Wh
• E-System Charger

  Bosch 4A
• E-System Display

  Bosch Purion

Extra

Extra 1

Removable fender bridge