Otso Voytek 2 SRAM GX

2026 MountainFat bike Manufacturer page

Last known price: $4,890

Prices shown first for United States
Wheels: 26″
Frame: Carbon
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 144.8–167.6
MD 165.1–177.8
LG 175.3–188
XL 185.4–203.2

Components

6 parts

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, Tuning Chip® dropout system, GeoChip Head Tube system Not identified

Drivetrain

1 part

Bottom bracket

83mm (Press Fit 107) Not identified

Brakes

2 parts

Brakes

74mm post (160mm native, 180mm max) Not identified
Disc rotors

74mm post (160mm native, 180mm max) Not identified

Cockpit and contact points

2 parts

Headset

IS41 upper, IS52 lower Not identified
Seatpost

Ø31.6mm, accommodates internally routed dropper post Not identified

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 454mm

Stack 595mm

Wheelbase 1174mm

Head angle 67.8°

Seat angle 73.8°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 26″ wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 4 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	433	454	467	487
Stackmm	581	595	619	637
Top tube lengthmm	600	625	645	670
Seat tube lengthmm	380	420	465	510
Head tube lengthmm	95	110	136	156
Head tube angle	67.8°	67.8°	67.8°	67.8°
Seat tube angle	73.8°	73.8°	73.8°	73.8°
Chainstay lengthmm	450	450	450	450
Wheelbasemm	1148	1174	1197	1224
Front centermm	705	731	754	781
Bottom bracket dropmm	63	63	63	63
Bottom bracket heightmm	280	280	280	280
Standover heightmm	691	724	764	801
Fork rakemm	51	51	51	51
Trailmm	93	93	93	93
Stack/reach ratio	1.34	1.31	1.33	1.31

Not published by the manufacturer: 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
Frame weight: 1.45 kg

3.2 lb
Weight limit: 124.74 kg

275.0 lb

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Derailleur hanger: UDH
Seatpost: Dropper seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BB86/BB92
Tire clearance: Maximum tire width: 4.6″
Wheel size: 26″

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
Specification	This bicycle Otso Voytek 2 SRAM GX	Otso Voytek 2 1x12 Shimano SLX M7100	Otso Voytek 2 1x12 Shimano XT M8100	Otso Voytek 2 1x12 SRAM GX Eagle	Otso Voytek 2 1x12 SRAM GX Eagle AXS	Otso Voytek 2 1x12 SRAM GX Eagle Mechanical
Drivetrain
Front chainrings	Not informed	1	1	1	1	1
Smallest chainring	Not informed	30	30	28	28	28
Largest chainring	Not informed	30	30	28	28	28
Rear sprockets	Not informed	12	12	12	12	12
Smallest sprocket	Not informed	10	10	10	10	10
Largest sprocket	Not informed	51	51	52	52	52
Lowest gear	Not informed	16.2 in	16.2 in	14.8 in	14.8 in	14.8 in
Highest gear	Not informed	82.5 in	82.5 in	77.0 in	77.0 in	77.0 in
Brakes
Brake type	Hydraulic disc	Hydraulic disc	Hydraulic disc	Hydraulic disc	Hydraulic disc	Mechanical disc
Cockpit
Seatpost	Dropper seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost
Other specifications
Wheel size	26″	27.5″	27.5″	27.5″	27.5″	27.5″
Tire width	Not informed	4.2″	4.2″	4.2″	4.2″	4.2″
Wheel material	Not informed	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum