author Traction ASL 2025

2025 Mountain
Weight | 13.3 kg

Bike details

Overview

Key information split into simple groups.

Bike summary

  • Frame Aluminum
  • Travel Front 100mm
  • Fork RST AERIAL
  • Groupset Deore
  • Suspension Hardtail
  • Drivetrain 1 × 12
  • Brakes Shimano Deore Hydraulic Disc
Sizing

Recommended size guide.

Parts list

Components

Main components, grouped by system.

Bike components

Frame

Frame

double butted hydroformed alloy 6061 27.5" / 29" (ASL)

Suspension Fork

RST Aerial 27.5 / 29 TRL, air, remote lock out (100 mm)

Drivetrain

Rear Derailleur

SHIMANO Deore

Shift Levers

SHIMANO Deore (12)

Cassette

SHIMANO CS-M6100-12, 10-51 (12)

Crank

SHIMANO M510-1, 32 teeth, 170 / 175 mm cranks

Chain

KMC X12

Pedals

plastic

Wheels

Front Hub

QUANDO Disc / SHIMANO, 32 holes

Rear Hub

QUANDO Disc / SHIMANO, 32 holes

Rims

AUTHOR Xenon TRC 27.5/29, 32 holes

Spokes

black stainless steel 2.0 mm

Tires

VITTORIA Barzo, aramid, 27.5"/29" × 2.25"

Brakes

Brakes

SHIMANO BR-MT410, disc hydraulic (7" rotors)

Cockpit

Stem

AUTHOR alloy

Handlebar

AUTHOR Flatbar, 9°, 660 / 680 / 700 mm

Seat

Saddle

AUTHOR Fenix

Seatpost

AUTHOR alloy (31.6)

Fit data

Geometry

Numbers for sizing and ride feel.

Size14"29"/16"29"/18"
Stack Reach Ratio
1.595 mm1.51 mm1.471 mm
Bottom Bracket Height
329 mm314 mm314 mm
Front Center
633 mm685 mm706 mm
Rake
44 mm51 mm51 mm
Trail
97 mm89 mm89 mm
Stack
595 mm622 mm631 mm
Reach
373 mm412 mm429 mm
Top Tube Length
555 mm590 mm610 mm
Seat Tube Angle
73 °74 °74 °
Seat Tube Length
356 mm406 mm457 mm
Head Tube Angle
69 °69 °69 °
Head Tube Length
110 mm110 mm120 mm
Chainstay Length
435 mm450 mm450 mm
Wheelbase
1064 mm1128 mm1149 mm
Bottom Bracket Drop
45 mm60 mm60 mm
Wheels29"29"29"
Rider Min Height140 cm155 cm166 cm
Rider Max Height158 cm168 cm182 cm