Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Felt
2018 Felt Surplus 70
Value Guide market data · 2018 Felt Surplus 70
12-month trend
16%
Direction and magnitude, not judgment
vs. category average
1%
Drops faster than category avg
Price over time - 2018 Felt Surplus 70
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Surplus model years
2018 Surplus 70 lineup
Overview
About this bike
2018 Felt Surplus 70 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- SR Suntour Raidon 27.5+, tapered steerer, 120mm
- Frame
- Felt 27.5+, double butted 6061 aluminum, Hydroform, ControlTaper integrated head tube, post disc mount, replaceable derailleur hanger, BB92 press fit bottom bracket, Ø30.9mm seatpost
Drivetrain
- Groupset
- Shimano Deore
- Bottom Bracket
- Shimano BB92
- Cassette
- Shimano 10-speed, 11-36T
- Chain
- Shimano HG54
- Chainrings
- 36/22T
- Crankset
- Shimano 2x10, XS/SM - 170mm, MD/LG/XL - 175mm
- Front Derailleur
- Shimano Deore
- Rear Derailleur
- Shimano Deore 10-speed Shadow, long cage
- Shifters
- Shimano Deore 10-speed
Brakes
- Brake Levers
- Tektro
- Brakes
- Front: Tektro FEH-01, 180mm rotor, Rear: Tektro FEH-01, 160mm rotor
Cockpit
- Handlebar
- Felt MTB 6061 Flat top, Ø31.8mm, 5mm rise x 9° sweep (760mm)
- Headset
- FSA NO.57E/62 semi Integrated internal upper cup, external lower cup w/5.3mm custom cone spacer
- Saddle
- Felt MTB performance
- Seatpost
- Felt butted 6061, dual-bolt micro-adjust 15mm offset, Ø30.9, SM (350MM), MD/LG (400MM)
- Stem
- Felt MTB 3D-forged threadless 1-1/8" +/- 7° rise for Ø31.8mm handlebar w/ Cr-Mo bolts, SM - 60mm , MD - 70mm, LG - 80mm
- Grips
- Felt Wing lock-on grip
Wheels & Tires
- Axles
- Front: 15x110mm (BOOST), Rear: 12x148mm (BOOST)
- Front Tire
- Schwalbe Rocket Ron Performance, Folding, 27.5 x 3.0
- Hubs
- Front: Forged Aluminum, 6-bolt, Rear: Forged Aluminum, 6-bolt
- Rims
- Aluminum double wall, 40mm inside
- Spokes
- 2.0mm stainless
Accessories
- Accessories & Extras
- Aluminum 6061 CNC cold-forged w/ Cr-Mo bolt, Ø34.9mm
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Battery health
Request battery cycle count and any diagnostic report; older packs lose range and capacity.
Inspection
Motor warranty
Verify motor warranty status and any firmware updates from the manufacturer dealer.