Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
KHS
2018 KHS SixFifty 680+
Previous used estimate
$528 - $543
Actual value depends on condition, size, and local demand.
Value Guide market data · 2018 KHS SixFifty 680+
12-month projected trend
8%
Direction and magnitude, not judgment
vs. category average
6%
Drops faster than category avg
Price over time - 2018 KHS SixFifty 680+
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Sixfifty model years
Overview
About this bike
Plus-size your mountain biking ambitions with the SixFifty 680+ from KHS. It has a lightweight alloy frame, a 120mm travel Manitou Magnum Comp fork, and features wide 650b x 3.0-inch Maxxis Chronicle tires for superior traction and flotation. Shimano hydraulic disc brakes provide dependable stopping power so you can confidently navigate down steep trails, and the wide-range SRAM GX 11-speed drivetrain gives you quick, reliable shifting in the mud and muck.
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Component Fork
- Manitou Magnum Comp, Air, 650B, 34mm, 120mm, 1.5 Taper, ISO Air, ABS+ Adj Compression to Lock, Ext. TPC Rebound Adj., 15QR Hexlock x 110mm Boost
- Component Hubs
- Sealed Bearing Alloy disc w/CNC Rotor Flange
- Component Size
- Small, Medium, Large
- Component Stem
- 35mm Alloy 3D Forged, 4-bolt, 0-Degree S: 35mm, M: 45mm, L-XL: 55mm
- Product Family
- Sixfifty
- Component Axles
- Front: 110 x 15mm Rear: 148 x 12mm
- Component Chain
- Sram PC-1130
- Component Color
- White
- Component Frame
- 650B Alloy 6061 Double Butted Custom Formed TT & DT w/ Replaceable Derailleur Hanger, 1.5 Taper, 12 x 148 Boost
- Component Brakes
- Shimano BR-M396, Hydraulic Disc, 180/160mm Rotors
- Component Pedals
- Wellgo Alloy ATB 1 pc. w/CNC
- Component Saddle
- WTB Volt Sport
- Component Headset
- FSA Orbit 1.5E, Zero Stack, 1 1/8"~1.5
- Component Cassette
- Sram XG-1150, 10-42T, 11-speed
- Component Crankset
- Sram GX 1000 Boost 148, X-Sync, 2 pc., GXP, S: 170, M-L: 175
- Component Shifters
- Sram GX 1, 11s Trigger, Right Only
- Component Handlebar
- Double Butted Alloy,35mm, 720X15mm, Butted
- Component Seat Post
- Kind Shock E10I, Integra w/Remote, Travel Adj, 31.6 x 420mm
- Component Chainrings
- 30T
- Component Front Tire
- Maxxis Chronicle 27.5 x 3.0, 120tpi, Folding, EXO, Tubeless Ready
- Component Tape Grips
- Q2 Lock-On
- Component Brake Levers
- Shimano BR-M396
- Component Bottom Bracket
- Sram GXP Outboard Bearing
- Component Rear Derailleur
- Sram GX 1, 11s X-Horizon, Type 2
- Hubs
- Sealed Bearing Alloy disc w/CNC Rotor Flange
- Crankset
- Sram GX 1000 Boost 148, X-Sync, 2 pc., GXP, S: 170, M-L: 175
- Pedals
- Wellgo Alloy ATB 1 pc. w/CNC
- Bottom Bracket
- Sram GXP Outboard Bearing
- Chain
- Sram PC-1130
- Saddle
- WTB Volt Sport
- Handlebar
- Double Butted Alloy,35mm, 720X15mm, Butted
- Headset
- FSA Orbit 1.5E, Zero Stack, 1 1/8"~1.5
- Rear Derailleur
- Sram GX 1, 11s X-Horizon, Type 2
- Stem
- 35mm Alloy 3D Forged, 4-bolt, 0-Degree S: 35mm, M: 45mm, L-XL: 55mm
- Axles
- Front: 110 x 15mm Rear: 148 x 12mm
- Brake Levers
- Shimano BR-M396
- Brakes
- Shimano BR-M396, Hydraulic Disc, 180/160mm Rotors
- Cassette
- Sram XG-1150, 10-42T, 11-speed
- Chainrings
- 30T
- Fork
- Manitou Magnum Comp, Air, 650B, 34mm, 120mm, 1.5 Taper, ISO Air, ABS+ Adj Compression to Lock, Ext. TPC Rebound Adj., 15QR Hexlock x 110mm Boost
- Frame
- 650B Alloy 6061 Double Butted Custom Formed TT & DT w/ Replaceable Derailleur Hanger, 1.5 Taper, 12 x 148 Boost
- Seat Post
- Kind Shock E10I, Integra w/Remote, Travel Adj, 31.6 x 420mm
- Shifters
- Sram GX 1, 11s Trigger, Right Only
- Tape/Grips
- Q2 Lock-On
- Color
- White
- Size
- Large
- Front Tire
- Maxxis Chronicle 27.5 x 3.0, 120tpi, Folding, EXO, Tubeless Ready
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork and rear shock service intervals and check pivot bearings for play.