Otso Waheela R Shimano GRX 800 Di2 1x12

2026 RoadGravel Manufacturer page

Last known price: $5,250

Prices shown first for United States
Suspension: Rigid
Wheels: 650b
Drivetrain: 1 × 12 38t
Frame: Carbon
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

XS 152.4–165.1
SM 162.6–172.7
MD 170.2–180.3
LG 177.8–182.9
XL Not informed

Components

2 of 8 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Carbon fiber with custom lightweight layup and Kammtail aero profile Not identified

Drivetrain

2 parts

Bottom bracket
- Shimano
Crankset
- Wolf Tooth 38t

Brakes

2 parts

Brakes

flat mount (160mm) Not identified
Disc rotors

flat mount (160mm) Not identified

Wheels and tires

1 part

Rims

700C / 29" OR 650b / 27.5" Not identified

Cockpit and contact points

2 parts

Headset

IS52/IS52 Not identified
Seatpost

Aluminum, 27.2 x 350mm, black Not identified

Sizes and geometry

5 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 405mm

Stack 575mm

Wheelbase 1058mm

Head angle 70.5°

Seat angle 74.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 650b wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 5 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	372	387	405	422	438
Stackmm	535	550	575	595	635
Top tube lengthmm	525	545	570	595	620
Seat tube lengthmm	450	460	510	540	570
Head tube lengthmm	99	111	137	169	201
Head tube angle	69.5°	70.5°	70.5°	70.5°	70.5°
Seat tube angle	74°	74°	74°	74°	74°
Chainstay lengthmm	420	423	426	429	432
Wheelbasemm	1014	1028	1058	1088	1118
Front centermm	594	605	632	659	686
Bottom bracket dropmm	75	75	75	75	75
Standover heightmm	736	746	787	812	845
Fork rakemm	47	47	47	47	47
Trailmm	84	78	78	78	78
Stack/reach ratio	1.44	1.42	1.42	1.41	1.45

Not published by the manufacturer: Bottom bracket height, Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Carbon
Fork material: Carbon
Frame weight: 1.65 kg

3.6 lb
Weight limit: 124.74 kg

275.0 lb

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 38
Largest chainring: 38
Rear sprockets: 12

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Derailleur hanger: UDH
Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Tire clearance: Maximum tire width: 50c; Additional specification: Wheel kind: 700
Wheel material: Aluminum
Wheel size: 650b

Technical analysis

1 measure

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Shifting

Mechanical

706 of 1,977 bicycles with this information use electronic shifting.

Cohort: Road / Gravel Model year: 2026
Sample: 1,977 bicycles with this information
Coverage: 99.6% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2026 builds

Differences across 2026 builds
Specification	This bicycle Otso Waheela R Shimano GRX 800 Di2 1x12	Otso Waheela C 1x12 Shimano GRX 600	Otso Waheela C 1x12 Shimano GRX 800	Otso Waheela C 1x12 Shimano GRX Di2	Otso Waheela C 1x12 SRAM Apex Mechanical	Otso Waheela C 1x12 SRAM Force XPLR AXS
Frame
Frame weight	1.65 kg	1.14 kg	1.14 kg	1.14 kg	1.14 kg	1.14 kg
Drivetrain
Smallest chainring	38	38	38	38	Not informed	40
Largest chainring	38	38	38	38	Not informed	40
Smallest sprocket	Not informed	10	10	10	11	10
Largest sprocket	Not informed	51	51	51	50	44
Lowest gear	Not informed	21.6 in	21.6 in	21.6 in	Not informed	26.4 in
Highest gear	Not informed	110.2 in	110.2 in	110.2 in	Not informed	116.0 in
Brakes
Brake type	Hydraulic disc	Hydraulic disc	Hydraulic disc	Hydraulic disc	Mechanical disc	Hydraulic disc
Cockpit
Derailleur hanger	UDH	Not informed	Not informed	Not informed	Not informed	Not informed
Other specifications
Tire clearance	Maximum tire width: 50c; Additional specification: Wheel kind: 700	Maximum tire width: 53c	Maximum tire width: 53c	Maximum tire width: 53c	Maximum tire width: 53c	Maximum tire width: 53c
Wheel size	650b	700c	700c	700c	700c	700c
Tire width	Not informed	45c	45c	45c	45c	45c