2017 Norco Fluid 2.3+ vs 2016 Surly Karate Monkey
The XS is the Surly Karate Monkey size closest to your 20" Norco Fluid 2.3+. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Surly Karate Monkey
Compared with the Norco Fluid 2.3+ in 20", the Surly Karate Monkey in XS places the top of the head tube 162 mm higher and 58 mm further forward, relative to the bottom bracket. Its wheelbase is 222 mm longer, which can contribute to stability at speed.
- Frame stack
- +162 mm
- Higher front end
- Frame reach
- +58 mm
- Longer frame reach
- Wheelbase
- +222 mm
- Longer: steadier at speed
- Head angle
- −1.5°
- Slacker: calmer steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Norco Fluid 2.3+ numbers we have for size 20" are missing the chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Norco Fluid 2.3+ 20" | Surly Karate Monkey XS | Difference |
|---|---|---|---|
| Reach | 303 | 361 | +58 mm |
| Stack | 445 | 607 | +162 mm |
| Head tube angle | 69 | 67.5° | −1.5° |
| Seat tube angle | 70 | 71.5° | +1.5° |
| Wheelbase | 849 | 1071 | +222 mm |
| BB height | 255 | not listed | |
| Head tube length | 90 | 100 | +10 mm |
| Chainstay length | not listed | 423 | |
| BB drop | not listed | 44 | |
| Standover | not listed | 757 | |
| Seat tube length | not listed | 330 | |
| Fork length | not listed | 521 |
Differences are the Surly Karate Monkey minus the Norco Fluid 2.3+. Full charts: 2017 Norco Fluid 2.3+, 2016 Surly Karate Monkey.
Where each sits in its class
Norco Fluid 2.3+Surly Karate Monkey
Each bike is ranked against the other trail bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Norco Fluid 2.3+2.3+ | Surly Karate Monkey |
|---|---|---|
| Fork | SR Suntour XCT FR Plus 20" | not listed |
| Shifter | Shimano Altus 8-spd - Black | not listed |
| Derailleur | Shimano Altus 8spd - Black | not listed |
| Pedals | VP Alloy Flat Jr. BMX | not listed |
| Brake | Tektro Jr. MTB w/ Reach adjust - Black | not listed |
| Grips | Norco Jr. Grip - Black | not listed |
| Headset | FSA No. 10P w/15mm conical spacer - Black | not listed |
| Saddle | Norco Jr. MTB Saddle 20" - Black | not listed |
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