RSD Middlechild Aluminum 29in SX

Name: RSD Middlechild Aluminum 29in SX
Brand: RSD

2020 MountainTrail Manufacturer page

Last known price: $1,499

Prices shown first for United States
Fork travel: 140 mm
Wheels: 29″
Drivetrain: 1 × 12 10–51t
Gear range: 510%
Weight: 14.06 kg 31.0 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 158–171
MD 168–180
LG 178–189
XL 186–199

Components

16 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
- RockShox

Drivetrain

6 parts

Brakes

2 parts

Wheels and tires

2 parts

Rims

Front: Sun Ringle Duroc 29x35mm Front 15x110mm Boost, Rear: Sun Ringle Duroc 29x35mm Rear 12x148mm Boost Not identified
Tires
- Maxxis Minion

Cockpit and contact points

6 parts

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 448mm

Stack 619mm

Wheelbase 1186mm

Head angle 64.5°

Seat angle 74.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 29″ 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	411	448	465	489
Stackmm	610	619	619	629
Top tube lengthmm	586	625	642	669
Seat tube lengthmm	410	450	470	490
Head tube lengthmm	100	110	110	120
Head tube angle	64.1°	64.5°	64.5°	64.5°
Seat tube angle	74°	74°	74°	74°
Chainstay lengthmm	415	415	415	415
Wheelbasemm	1169	1186	1203	1231
Front centermm	757	774	791	819
Bottom bracket dropmm	40	40	40	40
Bottom bracket heightmm	335	320	320	320
Standover heightmm	695	710	714	717
Fork rakemm	51	51	51	51
Trailmm	114	130	130	131
Stack/reach ratio	1.48	1.38	1.33	1.29

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
Bicycle weight: 14.06 kg

31.0 lb

Suspension

Suspension configuration: Hardtail
Front travel: 140 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Rear sprockets: 12
Smallest sprocket: 10
Largest sprocket: 51

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Dropper seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Tire width: 2.5″
Wheel material: Aluminum
Wheel size: 29″

Technical analysis

2 measures

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

Front travel

140 mm

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2020
Sample: 1,339 bicycles with this information
Coverage: 93.7% of the class

Shifting

Mechanical

55 of 1,428 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2020
Sample: 1,428 bicycles with this information
Coverage: 100.0% 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 2020 builds

Differences across 2020 builds
Specification	This bicycle RSD Middlechild Aluminum 29in SX	RSD Middlechild Aluminum 27.5+ SX	RSD Middlechild Chromoly 27.5+ SLX	RSD Middlechild Chromoly 27.5+ SX	RSD Middlechild Chromoly 29in SLX	RSD Middlechild Titanium 27.5+ SLX
Frame
Frame material	Aluminum	Aluminum	Steel	Steel	Steel	Titanium
Bicycle weight	14.06 kg	14.12 kg	13.64 kg	13.64 kg	13.64 kg	12.93 kg
Other specifications
Tire width	2.5″	2.8″	2.8″	2.8″	2.5″	2.8″
Fork spring	Not informed	Not informed	Air	Air	Air	Air