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Motorcycle Ergonomics

Sport touring · 2024

BMW F 900 XR ergonomics: seat height, rider triangle & fit

The BMW F 900 XR has a 32.5 in seat. Here’s how riders of different sizes fit, and what you can change.

Seat height
32.5 in
Wet weight
483 lb
Wheelbase
59.8 in
Power
77 kW
Specs: ManufacturerBars & pegs: EstimatedSeat width: Estimated

Try it with your measurements

Units
Your measurements

Modifications

Try common parts and see how they change your fit. The picture shows your setup over the stock bike.

Seat
0

Thicker or thinner seat. Lower makes it easier to reach the ground.

0

Lowers the whole bike. Easier to reach the ground, a little less legroom.

Handlebar
0

Raises the bars. You sit more upright with less weight on your wrists.

0

Brings the bars closer to you. Shorter reach, good for shorter arms.

Footpegs
0

Lowers the footpegs. More knee room, less cramped legs.

0

Moves the pegs back (or forward). Further back feels sportier.

Windscreen
0

Taller or shorter screen. Changes how much wind hits your chest and helmet.

90Great fit

Rider on the BMW F 900 XR, Riding view 66° 107° 145°
N 0 mph— rpm 0%
Specs: ManufacturerBars & pegs: Estimated

Parallel twin (270°) · 895 cc · Hold W or Space to accelerate, ↑ / ↓ to change gear · Synthesised from the engine layout and firing order. Not a recording.

Original illustration, motorcycleergonomics.com

Fit score

90/100

Great fit

Knee 66°

Within range

Comfort 66–105°

Hip 107°

Within range

Comfort 92–122°

Elbow 145°

Within range

Comfort 120–168°

Back lean 8°

Within range

Comfort -5–18°

Ground reach

0.6 in short of flat feet

Balls of both feet

Seat height with sag
31.6 in
Leg length needed
33.4 in
Your inseam + boots
32.8 in

Wind

Clean air at your helmet, body sheltered

Suggested fixes

Lowering changes handling and side-stand lean; check with a specialist.

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Estimate. Handlebar and peg positions for this bike are estimated. Always sit on a bike before you buy it.

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Fit by rider size

RiderInseamFitGround reachKneeLean
5′1″28.1 in55Tiptoes on one foot77°13°
5′4″29.5 in68Tiptoes on one foot72°11°
5′7″30.8 in79One foot flat, hips shifted69°9°
5′10″32.2 in91Balls of both feet66°7°
6′1″33.5 in88Both feet flat63°6°
6′4″35 in82Both feet flat, knees bent60°5°

Reference riders with average proportions and 20 mm boot soles. Your proportions may differ.

Spec sheet

BMW F 900 XR — Drawn to scale from this bike's geometry.Seat height 32.5 inWheelbase 59.8 in
Drawn to scale from this bike's geometry.

Geometry & specifications

Geometry & specificationsValueSource
Seat height32.5 inManufacturer
Low seat option30.5 inManufacturer
High seat option33.3 inManufacturer
Seat width at the front—Estimated
Handlebar grip18.9 in ahead of the seat, 7.5 in above itEstimated
Footpeg3.5 in ahead of the seat, 14.0 in off the groundEstimated
Wheelbase59.8 inManufacturer
Wet weight483 lbManufacturer
Rake26°Manufacturer
Trail4.1 inManufacturer
EngineParallel twin (270°) · 895 ccManufacturer
Power77 kWManufacturer
Tyres120/70-17 / 180/55-17Manufacturer
CategorySport touringManufacturer

Sources

Specifications transcribed from manufacturer publications; independent verification in progress. Methodology

How did it actually fit?

Real reports help validate our estimates for everyone. No account needed.

Bikes with a similar riding position

Sport touring · 2022

Honda NT1100

Seat height
32.3 in
Wet weight
525 lb

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