Cross Bike Co Iso — view 101 / 05

03 — XC Hardtail

Lightweight. Responsive. Built to move.

IsoXC · Carbon hardtailFrom $2,199

A razor-sharp, ultra-lightweight carbon hardtail lineup engineered for pure cross-country speed. Built around a high-modulus, hyper-responsive carbon chassis, the Iso transforms every ounce of pedaling energy into instantaneous forward momentum — with the low maintenance of a hardtail.

Best for
Aspiring XC racers, fast singletrack exploring and riders seeking maximum efficiency per dollar.
Terrain
XC trails, fast rolling singletrack, race courses
Frame
High-modulus carbon hardtail
Suspension
Hardtail — front suspension fork only

Configure

Select tier, fit and finish

From

$2,199

Tier

Frame size

Height guide on the size table

Colour

Quantity

1
Discuss this build

Pricing for this tier is confirmed by Cross Bike Co with your build. The range starts at $2,199. This concept does not process payment — orders and checkout stay on the live Squarespace store.

Tiers

Pick your intent.

Each tier changes drivetrain, wheelset, cockpit and suspension specification — not just the paint.

Core

—

The people's bike — efficient XC value.

RS

$2,699

Shimano Deore 12-speed, carbon wheels, 120mm fork.

RS 2

$3,849

Wireless electronic shifting and carbon throughout.

ONE

$4,999

Flagship hardtail specification.

Published builds

Component specification.

Specification as published by Cross Bike Co. Final build sheets are confirmed with the workshop before an order is taken.

Iso One

$4,999

Fork
Manitou Mattoc Pro 29", 120 mm
Seatpost
ZOOM hydraulic, infinitely adjustable
Shifters
LTWOO EGR Flat Bar Gravel MTB Wireless Groupset
Rear derailleur
LTWOO EGR Flat Bar Gravel MTB Wireless Groupset, clutch
Crankset
KORE Carbon Fiber Mountain Bike Crank 32t
Wheels
Premium Carbon Fiber 29er Pro33
Tires
CST Jack Rabbit 29 x 2.25

Iso RS 2

$3,849

Fork
XFusion RC32 29, 120mm
Seatpost
ZOOM hydraulic, infinitely adjustable
Shifters
LTWOO EGR Flat Bar Gravel MTB Wireless Groupset
Rear derailleur
LTWOO EGR Flat Bar Gravel MTB Wireless Groupset, clutch
Crankset
Alloy Crankset 32t Chainring
Wheels
10PLUS MTB Carbon Wheelset
Tires
CST Jack Rabbit 29 x 2.25

Iso RS

$2,699

Fork
XFusion RC32 29, 120mm
Seatpost
ZOOM hydraulic, infinitely adjustable
Shifters
SHIMANO DEORE M6100
Rear derailleur
SHIMANO DEORE RD-M6100 SGS
Crankset
Alloy Crankset 32t Chainring
Wheels
10PLUS MTB Carbon Wheelset
Tires
CST Jack Rabbit 29 x 2.25

Iso Core

—

Finishes & fit

Colours and frame sizes.

Ask about custom paint
Iso in Cool Flat Grey
Cool Flat Grey
Iso in Sunny Yellow
Sunny Yellow
Iso in Light Purple
Light Purple
Iso in Black
Black
SizeSeat tubeRider height
XS49cm5'0" – 5'3"
S52cm5'3" – 5'6"
M54cm5'6" – 5'9"
L56cm5'9" – 6'0"
XL58cm6'0" – 6'4"

Full geometry charts for the Phosphate and Iso are published on the live store. Custom paint is available for an additional fee.