EXPLORER A1
Jamis
Crosscountry
EXPLORER A1 is an alloy cross-country mountain bike (2024), by Jamis, part of the Explorer family. This bike is aimed at a wide range of riders thanks to its fit flexibility, leaning toward a balanced riding position, while being best for smoother trails and efficient rolling. Its profile is strongest in areas like strong value-for-money versus many similar bikes, good fit flexibility for dialing in rider position, and balanced, versatile speed for everyday riding. The trade-off to keep in mind is a firmer ride feel than comfort-first options. If this looks close to what you want, compare this bike on MatchBikes.com against similar models.
6.0
Rating

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Score Summary
Performance
4.5
Value
9.7
Fit
6.6
Performance
Built for speed and efficiency
Speed
5.5
Low
Climbing Efficiency
3.9
All-Rounder
Suspension
4.0
Basic bump control
Fit
Dialed-in Fit & Comfort
Riding Position
5.7
Balanced
Fit Flexibility
7.5
Adjustable
Ride Comfort
6.2
Race-Stiff
Value
Value for Money
9.7
Exceptional Value
Surface Range
Flow TrailsSpecifications
General
Brand
Jamis
Model
EXPLORER A1
Year
2024
Price
$699
Weight
15.65 kg
Category
Mountain
Sub Category
Crosscountry
Groupset
Tourney
Frame
Frame
6061 TIG-welded aluminum, all-new sport comfort design with upright ride position, replaceable derailleur hanger
Suspension Fork
SR Suntour XCE 27.5”, coil spring, external preload adjustor, 28mm stanchions, aluminum lowers, 80mm travel
Suspension Type
Hardtail
Drivetrain
Shift Levers
Shimano EZ-Fire Plus, ST-EF510, 24-speed
Rear Derailleur
Shimano TX-800 rear, Shimano TY710 31.8mm top swing/ dual pull front
Cassette
Shimano HG20, 8-speed, 12-32
Crank
Shimano TY301, 48/38/28T, 170mm with chainguard
Bottom Bracket
Sealed cartridge, 68 x 110.5mm
Chain
KMC Z7
Wheels
Rims
Double-wall alloy rims, 32H, alloy hubs with QR, 14g stainless steel spokes
Tires
CST – 1918, 27.5 x 2.1
Brakes
Brake Type
Mechanical Disc
Brake Description
Tektro forged alloy direct pull brakes with Shimano levers
Cockpit
Stem
Jamis alloy, angle-adjustable, 90mm ext x 150mm quill (14 ?18”) or 110mm ext x 180mm quill (19 ?21”)
Handlebar
Comfort hi-rise, alloy 25.4 x 80mm rise x 15 ? sweep x 640mm
Grips
Kraton comfort
Seat
Saddle
Jamis Comfort with memory foam, synthetic suede top, burnished side panels and bumper springs
Seatpost
Suspension, alloy micro-adjust, 350mm x 27.2mm, with alloy QR clamp
Geometry
| Measurement | SM | 15" | SM | 17" | SM | 19" | 21" |
|---|---|---|---|---|---|---|---|
| Bottom Bracket Height | 284 mm | 284 mm | 284 mm | 284 mm | 284 mm | 284 mm | 284 mm |
| Front Center | 617 mm | 615 mm | 627 mm | 626 mm | 632 mm | 637 mm | 656 mm |
| Rake | 42 mm | 42 mm | 42 mm | 42 mm | 42 mm | 42 mm | 42 mm |
| Top Tube Length | 555 mm | 565 mm | 577 mm | 587 mm | 594 mm | 598 mm | 617 mm |
| Seat Tube Angle | 72 ° | 71 ° | 71 ° | 71 ° | 71 ° | 71 ° | 71 ° |
| Seat Tube Length | 356 mm | 381 mm | 406 mm | 432 mm | 457 mm | 483 mm | 533 mm |
| Head Tube Angle | 69 ° | 69 ° | 69 ° | 70 ° | 70 ° | 70 ° | 70 ° |
| Head Tube Length | 140 mm | 135 mm | 150 mm | 165 mm | 160 mm | 185 mm | 210 mm |
| Chainstay Length | 450 mm | 450 mm | 450 mm | 450 mm | 450 mm | 450 mm | 450 mm |
| Wheelbase | 1057 mm | 1055 mm | 1067 mm | 1066 mm | 1072 mm | 1077 mm | 1097 mm |
| Bottom Bracket Drop | 71 mm | 71 mm | 71 mm | 71 mm | 71 mm | 71 mm | 71 mm |
| Standover Height | 481 mm | 718 mm | 487 mm | 784 mm | 484 mm | 824 mm | 870 mm |
| Wheels | 27" | 27" | 27" | 27" | 27" | 27" | 27" |




























































