RSD Sergeant V4 Aluminum 27.5+ Adv. Build

Name: RSD Sergeant V4 Aluminum 27.5+ Adv. Build
Brand: RSD

2021 MountainTrail Manufacturer page

Last known price: $2,699

Prices shown first for United States
Suspension: Rigid
Wheels: 27.5″
Drivetrain: 12 10–51t
Gear range: 510%
Weight: 13.55 kg 29.9 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Hydraulic disc

Sizes

Size guide

The manufacturer did not publish rider heights for these sizes.

Components

13 of 18 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

27.5+/29 Aluminum 6061 Not identified

Suspension

1 part

Fork

RSD Aluminum Rigid 510mm 51mm Not identified

Drivetrain

6 parts

Brakes

2 parts

Brakes
- SRAM Level T
Disc rotors
- SRAM

Wheels and tires

2 parts

Rims

Front: Sun Ringle Duroc 27.5x50mm Front 15x110mm Boost, Rear: Sun Ringle Duroc 27.5x50mm Rear 12x157mm Super Boost Not identified
Tires

Terrene Cake Eater 27.5 x 4.0 Not identified

Cockpit and contact points

6 parts

Sizes and geometry

5 sizes Open in the geometry plotter

Complete rider-height ranges are not published for these sizes. You can still explore the geometry below.

Size LG

Table

Reach 463mm

Stack 634mm

Wheelbase 1240mm

Head angle 65.5°

Seat angle 74.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 27.5″ wheel; exact published values are in the table below.

Size Reach Stack

Complete manufacturer geometry table 5 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	408	445	463	478	493
Stackmm	615	625	634	652	670
Top tube lengthmm	585	625	645	665	685
Seat tube lengthmm	390	410	440	470	490
Head tube lengthmm	90	100	110	130	150
Head tube angle	66.5°	65.5°	65.5°	65.5°	65.5°
Seat tube angle	74°	74°	74°	74°	74°
Chainstay lengthmm	440	440	440	440	440
Wheelbasemm	1177	1219	1240	1264	1286
Front centermm	741	783	804	828	849
Bottom bracket dropmm	45	45	45	45	45
Bottom bracket heightmm	320	320	320	320	320
Standover heightmm	687	705	710	714	725
Fork rakemm	51	51	51	51	51
Trailmm	71	89	91	91	92
Stack/reach ratio	1.51	1.40	1.37	1.36	1.36

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: Aluminum
Fork material: Aluminum
Bicycle weight: 13.55 kg

29.9 lb

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Rear sprockets: 12
Smallest sprocket: 10
Largest sprocket: 51

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Tire clearance: Maximum tire width: 50c
Tire width: 4″
Travel: Front: Additional specification: Not available: Yes
Rear: Additional specification: Not available: Yes
Wheel material: Aluminum
Wheel size: 27.5″

Technical analysis

1 measure

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

Shifting

Mechanical

53 of 1,346 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2021
Sample: 1,346 bicycles with this information
Coverage: 99.7% 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 2021 builds

Differences across 2021 builds
Specification	This bicycle RSD Sergeant V4 Aluminum 27.5+ Adv. Build	RSD Sergeant V4 Aluminum 27.5+ Build	RSD Sergeant V4 Aluminum 29in Build
Frame
Fork material	Aluminum	Not informed	Not informed
Suspension
Suspension configuration	Rigid	Hardtail	Hardtail
Front travel	Not informed	140 mm	140 mm
Cockpit
Seatpost	Rigid seatpost	Dropper seatpost	Dropper seatpost
Other specifications
Suspension	Rigid	Hardtail	Hardtail
Tire width	4″	2.8″	2.6″