BMW R 18 Roctane
2025 | bagger
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Side profile
- Seat height
- 719 mm
- Wheelbase
- 1,720 mm
- Wet weight
- 374 kg
- Category
- bagger
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- Asset
- Pending
- Dimensions
- -
- License
- -
- Source
- -
BMW
R 18 Roctane
Saved builds stay on this device.
The name stays private. Editing it after a save prepares another new build.
Rider
Rider position
Slide the rider on the seat to fit this bike. Saved per bike.
Posture
Adjustments
Ergonomics
Modeled band: Comfortable
Geometry verification: Provisional
Data basis: Published specs · estimated rider contacts
Layout basis: Reviewed category template
The category template passed the local layout sweep; this individual bike remains provisional.
All contacts reached
Lowest modeled angle area: Hip.
Physical check: Sit on the exact motorcycle and compare seat, bar, peg, and ground-reach feel before deciding. This model does not predict comfort or control.
Data provenance
Where these numbers came from
Every populated geometry field records its source, verification state, and source link when available. These records feed both the simulator and the fit recommendation engine.
- Geometry status
- Provisional
- Field records
- 19
- Recorded verified
- 0/19
- Linked sources
- 19/19
Six modeled contact coordinates
6/6 populated · 6/6 records · 0/6 recorded verified · 6/6 linked
Seat, grip, and peg X/Y coordinates drive the posture model. Specification seat height is a separate catalog value.
- Seat
- X 740 mm · Y 719 mm
2/2 records · 2/2 linked
0/2 recorded verified - Grips
- X 1,118 mm · Y 959 mm
2/2 records · 2/2 linked
0/2 recorded verified - Pegs
- X 1,307 mm · Y 379 mm
2/2 records · 2/2 linked
0/2 recorded verified
Check on the bike: At a test-sit, prioritize the seat, grips, and pegs positions; one or more of those modeled coordinates is not recorded as verified.
Wheelbase
Chassis
1,720 mm
Provisional recordManually entered from published specs for the live fallback catalog; not independently verified.
Ground clearance
Chassis
120 mm
Provisional recordRider contact point estimated from category proportions until side-profile landmarks are authored.
Seat contact X
Rider triangle
740 mm
Provisional recordRider contact point estimated from category proportions until side-profile landmarks are authored.
Seat contact height
Rider triangle
719 mm
Provisional recordManually entered from published specs for the live fallback catalog; not independently verified.
Seat length
Rider triangle
295 mm
Provisional recordRider contact point estimated from category proportions until side-profile landmarks are authored.
Handlebar X
Rider triangle
1,118 mm
Provisional recordRider contact point estimated from category proportions until side-profile landmarks are authored.
Handlebar height
Rider triangle
959 mm
Provisional recordRider contact point estimated from category proportions until side-profile landmarks are authored.
Handlebar width
Controls
900 mm
Provisional recordRider contact point estimated from category proportions until side-profile landmarks are authored.
Foot peg X
Rider triangle
1,307 mm
Provisional recordRider contact point estimated from category proportions until side-profile landmarks are authored.
Foot peg height
Rider triangle
379 mm
Provisional recordRider contact point estimated from category proportions until side-profile landmarks are authored.
Passenger seat X
Passenger
585 mm
Provisional recordRider contact point estimated from category proportions until side-profile landmarks are authored.
Passenger seat height
Passenger
804 mm
Provisional recordRider contact point estimated from category proportions until side-profile landmarks are authored.
Passenger peg X
Passenger
826 mm
Provisional recordRider contact point estimated from category proportions until side-profile landmarks are authored.
Passenger peg height
Passenger
614 mm
Provisional recordRider contact point estimated from category proportions until side-profile landmarks are authored.
Seat height minimum
Adjustability
719 mm
Provisional recordManually entered from published specs for the live fallback catalog; not independently verified.
Seat height maximum
Adjustability
719 mm
Provisional recordManually entered from published specs for the live fallback catalog; not independently verified.
Wet weight
Physical
374 kg
Provisional recordManually entered from published specs for the live fallback catalog; not independently verified.
Front tire outer diameter
Rendering
701 mm
Provisional recordRider contact point estimated from category proportions until side-profile landmarks are authored.
Rear tire outer diameter
Rendering
655 mm
Provisional recordRider contact point estimated from category proportions until side-profile landmarks are authored.
Bike-level reference: https://www.bmwmotorcycles.com/en/models/heritage/r18-roctane/technicaldata.html
Does the BMW R 18 Roctane fit you?
The BMW R 18 Roctane (2025) lists a 719 mm seat height. In this simplified seat-height model, an inseam around 72 cm is a rough ground-reach reference, not a guarantee of flat-footing. Seat width, suspension sag, boots, mobility, load, and individual proportions can materially change foot contact. Enter your measurements above to compare the modeled reach, then confirm it on the motorcycle.
Riding position
The BMW R 18 Roctane's bagger category suggests a relaxed, feet-forward stance as a modeled starting point. The simulator estimates knee, hip, and elbow angles from the available geometry and your measurements so you can compare the reach to the bars and pegs.
Typical category use
The bagger category is commonly associated with long-haul highway cruising with luggage and a low, planted seat. Rider Height does not assess handling, performance, or whether this motorcycle is suitable for a particular rider.
Fit figures are planning estimates from the current geometry and simplified model assumptions. They are not safety, compatibility, or purchase advice; confirm fit on the actual motorcycle.
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