Gain Ratio = (Radius of Rear Wheel ÷ Crank Length) x (Number of Teeth in Chain Ring ÷ Number of Teeth in Rear Cog)
Use
Dirt path, single-track
Wheel Size
26 in
Age
~ 9 to 13 years
Type
Mountain Bike
Weight
23.3 lbs
(without pedals)
Inseam
26.5" to 31"
Description
The Prevelo Zulu Five packs high performance mountain bike features into a 26-inch wheel size package. Every component is the real deal and is carefully chosen to provide the best performance and fit for young riders ready to tear up the trails.
Measurements
Weight
Weight
Without pedals
23.3 lbs
Minimum Saddle Height
Minimum Saddle Height
Distance from ground to top of saddle when saddle is in lowest position. This is different than inseam, which is the recommendation for rider inseam.
27.6 in / 700mm
Maximum Saddle Height
Maximum Saddle Height
Distance from ground to top of saddle when saddle is in highest position. This is different than inseam, which is the recommendation for rider inseam.
35 in / 890mm
Gain Ratio
Gain Ratio
Gain Ratio is the ratio of distance of pedal travel to distance of bike travel. For those who like math:
Gain Ratio = (Radius of Rear Wheel ÷ Crank Length) x (Number of Teeth in Chain Ring ÷ Number of Teeth in Rear Cog)
Gain Ratio = (Radius of Rear Wheel ÷ Crank Length) x (Number of Teeth in Chain Ring ÷ Number of Teeth in Rear Cog)
1.3 - 5.9
Recommended Inseam
Recommended Inseam
Recommended rider inseam for best fit. Click here for more information on rider fit and measuring inseam.
26.5" to 31"
Wheel Diameter
26 in
Wheelbase
Wheelbase
The horizontal distance between the center of the front hub and the center of the rear hub
41.7 in / 1061 mm
Chain Stay Length
Chain Stay Length
The horizontal distance between the vertical plane that intersects with the rear hub and the vertical plane that intersects with the center of the bottom bracket
16.3 in / 415 mm
Seat Tube Angle
74°
Head Angle
66°
Effective Top Tube Length
Effective Top Tube Length
Horizontal distance between the head tube and the seat tube when the saddle height is set to be level with the top of the head tube.
20.9 in / 530 mm
Stack
Stack
Vertical distance between the center of the bottom bracket and the top of the head tube
23.1 in / 559 mm
Bottom Bracket Drop
Bottom Bracket Drop
Vertical distance between the center of the rear axle and the center of the bottom bracket
1.4 in / 45 mm
Seat Tube Length
13.4 in / 350 mm
Standover
Standover
Vertical distance between the ground and the top of the top tube infront of the saddle.
26.4 in / 620 mm
Q factor
Q factor
The horizontal distance between the outsides of the crank arms, measured parallel to the bottom bracket.
170mm
Reach
Reach
The horizontal distance between the center of the bottom bracket and the center of the top of the head tube.
14.5 in / 369 mm
Shipping Weights and Dimensions
Box Dimensions
53.5 in x 9 in x 28.5 in
Shipping Weight
36 lb
Components
Frame
Lightweight Triple-butted 6061 Aluminum, UDH Compatible Thru-Axle Dropout, with Internal Cable Routing and Low Center of Gravity Trail Geometry
Fork
RST First 26 AIR - 100mm travel - lockout and adjustable rebound / Thru-Axle
Seat Clamp
Aluminum Quick Release
Brakes
Tektro M281 Hydraulic Disc
Derailleur
Derailleur
Mechanism that moves the chain between different gears on the cassette.
Microshift Advent X AM V2
Shifter
10 speed Microshift Advent X Pro
Freewheel / Cassette
10 speed 11-48t Advent X G-Series
Crank
152mm HEIR Direct Mount 2-piece with Alloy Spindle
Chainring
28t 6mm Offset Narrow-Wide CNC Aluminum
Bottom Bracket
External BSA Threaded 73mm
Headset
Integrated Sealed Cartidge Threadless
Rims
HEIR i27 Asymmetrical Tubeless Ready Pre-Taped
Front Hub
15x100 28h Sealed Cartridge / Thru-Axle
Rear Hub
12x142 28h Sealed Cartridge w/ quick engaging 6 pawl freehub / 180 points of engagement / Thru-Axle
Tires
Kenda Booster Pro 26 x 2.2 Tubeless Ready
Saddle
Saddle
aka "seat"
HEIR Pivotal
Seat Post
⌀31.6mm alloy Pivotal
Handlebar
Lightweight Aluminum 31.8, 680mm wide, 20mm rise
Stem
Lightweight Aluminum 31.8, 35mm Extension
Grips
130mm Lock-On
Pedals
Composite Junior, 9/16 Crmo Spindle
Zulu Standard vs Zulu Limited
Curious about the differences between the Standard and Limited versions? They are both awesome bikes and you won't go wrong with either one. The Limited version adds some carbon HEIR parts, Shimano XT drivetrain and Shimano XT brakes. Here's a detailed breakdown of the differences.
Standard | Limited | |
---|---|---|
Brakes | Tektro Hydraulic Disc | Shimano XT 8100 Hydraulic Disc |
Derailleur | Microshift Advent X AM V2 | Shimano XT M8100 12 speed |
Shifter | 10 speed Microshift Advent X Pro | Shimano XT M8100 12 speed |
Freewheel / Cassette | 10 speed 11-48t Advent X G-Series | 12 speed 10-51t Shimano XT CS-M8100 |
Crank | HEIR Direct Mount 2-piece with Alloy Spindle | HEIR CARBON 2-piece with 30mm Alloy Spindle |
Handlebar | HEIR Lightweight Aluminum | HEIR Darkbar CARBON |
Size Guide

Confidence Inspiring Trail Geometry
Lightweight Tubeless Ready Heir Wheels
Youth Optimized HEIR® Crank
Pivotal Saddle
Lightweight Wide Range Drivetrain