2021 Jamis Earth Cruiser 3

Archived: 2021 Jamis Earth Cruiser 3 · Cruiser · Published sizes: M, L

• Confirm the frame markings and seller description match this archived model. Note every component that differs from the published build.
• Record the frame serial number. It should be legible, unaltered and consistent with the seller’s ownership history.
• Find the size marking on the bicycle and confirm the fit before judging the condition or price.

Archived: Frame: Classic Cantilever design with 6061 aluminum tubing, includes kickstand and painted steel chainguard · Fork: Hi-tensile unicrown with radiused blades

• Look for dents or shape changes and inspect the edges of welds around the head tube, bottom bracket, seat cluster and suspension mounts for hairline cracks.
• Stand behind and in front of the bicycle to look for obvious frame, fork or wheel misalignment. Ask directly about crashes, transport damage and repairs.
• Inspect the fork crown, blades, dropouts and visible steerer area. Check that it is straight, securely installed and free of cracks or impact damage.

Archived: Group: Shimano RevoShift, 3-speed · Shifters: Shimano RevoShift, 3-speed · Crankset: Forged alloy crank, 170mm, with 44T chainring · Bottom bracket: Sealed cartridge, 68 x 122.5mm · Cassette: Shimano 23T · Chain: KMC Z410NP, silver

• Shift through every available gear under light load. Hesitation, skipping or inconsistent indexing can reflect wear, damage, poor adjustment or mismatched replacement parts.
• Measure chain wear with a compatible gauge and inspect chainring, cassette or freewheel teeth. A new chain does not rule out wear in the remaining drivetrain.
• Turn the cranks slowly, feel for rough bearings and check for side-to-side play. Inspect crank arms, chainring bolts and pedal threads for looseness or damage.

Archived: Brakes: Shimano coaster brake

• Inspect pads and braking surfaces, check the complete cable or hose path, and confirm both controls feel consistent and return cleanly.
• Before riding, test every installed brake separately at walking speed. Each should stop firmly and release cleanly without its control reaching the end of its usable travel.

Archived: Wheel size: 26 · Wheels: Alex Zuma 36H black anodized alloy rims with alloy nutted front hub and Shimano 3-speed rear, 14 gauge stainless steel spokes · Front tire: CST Metropolitan Palm Bay, 26” x 2.35 · Rear tire: CST Metropolitan Palm Bay, 26” x 2.35

• Spin both wheels and watch for side-to-side and vertical movement. Check spoke tension, rim condition and hub play.
• Inspect both tire casings for cuts, cracking, plugs, bulges or exposed threads and confirm the installed sizes are safe for the rims and available frame and fork clearance.
• Remove and reinstall or closely inspect both wheel-retention systems. Axles or quick releases should tighten correctly with undamaged threads, hardware and dropouts.

Archived: Headset: Internal cup, threaded, 1 1/8” · Handlebar: Jamis Cruise-control comfort bar · Stem: Alloy hi-rise, 180mm quill, 100mm extension, with removeable 2-bolt cap · Seatpost: Alloy micro-adjust, 27.2 x 300mm, with 31.8mm alloy clamp and cromo seatpin · Saddle: Earth Cruiser Comfort with memory foam padding, synthetic suede top, burnished sides and bumper springs · Pedals: Cruiser platform with grip tape

• Apply the front brake and rock the bike to check for headset play or notchiness. Inspect the stem, handlebar and clamp zones, then confirm every fastener and control is secure.
• Check that the seatpost moves for adjustment and that the saddle, post and clamp hold securely without cracks, severe corrosion or damaged hardware.

• Before riding, confirm both wheels are secure, tires are safe, both brakes function, and the headset, handlebar, stem, cranks and pedals have no looseness.
• Begin at low speed. Test steering, braking and shifting progressively, then load the drivetrain and suspension only after the basic safety checks pass.
• Listen and feel for repeated knocks, grinding, skipping, brake pulsation or movement at joints. Stop the test if the bicycle cannot be controlled safely.