Bespoke Built. Boutique Performance. Real Value
One Series
No Compromises
Elite Drop Bar Race Machine
The Phosphate One represents the absolute pinnacle of our gravel racing lineup. Built around the ultralight TT GR060 carbon frame (1020g), this drop-bar machine is engineered for pure speed and uncompromising efficiency. Equipped with premium components like ELITEWHEELS 5-Spoke Carbon Gravel wheels and LTWOO EGR 2nd-Gen wireless electronic shifting, it delivers an aerodynamic, lightning-fast ride designed to dominate the gravel scene.
Aerodynamic Powerhouse: Features full carbon construction and sleek ELITEWHEELS 5-Spoke ES5 2.0 wheels for unparalleled stiffness and speed.
Wireless Precision: Driven by the LTWOO EGR 2nd-Gen Full-Wireless Gravel Electronic Groupset for instant, flawless gear changes under race conditions.
Plush Micro-Suspension: Outfitted with a Zoom Road Bicycle 50mm Air Fork to track perfectly over rough corrugated terrain without robbing your power.
Ultra-Lightweight Build: Tipping the scales at an incredible 9.05 kg*, giving you a massive competitive advantage on punishing climbs.
Ideal For: Competitive gravel racers and weight-conscious riders demanding premium electronic shifting, elite aerodynamics, and pure speed.
*weights are estimated
Our absolute finest configuration. A zero-compromise, sub-23 lb* racing machine combining active suspension dampening, full tubeless execution, and hyper-premium components.
This is the absolute pinnacle of what Cross Bicycle Company stands for. Tipping the scales at a featherweight 10.35 kg*, the IsoLine One is built to stand on top of the podium. Up front, the bike is anchored by the world-class Manitou Mattoc Pro 120mm Air Fork, offering hyper-plush mid-stroke support and infinite tuneability to erase technical trail obstacles.
The wheel configuration goes fully native with a custom high-performance tubeless setup, running premium West Biking sealant to completely eliminate pinch flats and allow you to run lower, high-traction tire pressures. Sitting on a skeletonized, ultralight WEST BIKING T700 Full Carbon Fiber Saddle and driven by the lightning-fast WheelTop electronic wireless drivetrain, every single component on the Iso One has been curated to create the ultimate cross-country racing machine.
Best For: Elite racers and riders demanding a true flagship, top-tier performance build with the absolute best component tech available.
weights are estimated
Phosphate Gravel and All Terrain
High-Performance Trail Blazer
The Cross Phosphate RS 2 is built for the rider who refuses to let rough terrain slow them down. Utilizing the ultra-versatile high modulus carbon frame with integrated down tube storage, this drop bar rig combines high-volume tire clearances with the speed of an electronic drivetrain. Featuring an ultra-wide range 11-50t SPEDAO cassette and a light 10PLUS 29er MTB Carbon wheelset, the RS 2 is purpose-built to conquer steep mountain passes, rugged doubletrack, and aggressive backcountry loops.
Smart Internal Frame Storage: The high modulus carbon frame features sleek integrated storage, letting you stash tools, tubes, and nutrition directly inside the frame to keep your cockpit clutter-free.
Climbing-Crushing Range: Outfitted with a 12-speed 11-50t ultra-light cassette to ensure you always have the perfect gear for steep, loose, and technical climbs.
Rugged Lightweight Carbon Wheels: Rolls on a compliance-tuned T Pro Series Carbon wheelset wrapped in high-volume Maxxis Rambler EXO TR 700x50c tires for ultimate flat protection and cornering grip.
Seamless Electronic Cockpit: Utilizes full-wireless drop bar hood ergonomics for flawless drivetrain control, keeping your focus strictly on the road ahead.
Ideal For: Backcountry explorers, bikepackers, and gravel riders looking for massive tire volume, robust carbon wheels, smart integrated storage, and wide-range climbing gears.Showcase what this product is about. What’s it made of? How was it made? What are ways to enjoy it?
Meet the Cross Phosphate RS: Pure Mechanical Precision, Built to Outperform
Unleash your potential on the gravel with the Cross Phosphate RS, an elite all-road machine engineered to rewrite the rules of performance, tactile control, and value. Tipping the scales at a blistering 8.26 kg, this carbon-fiber weapon combines a raw, reliable mechanical feel with meticulous component curation to deliver an unforgettable ride.
Ultralight Carbon Foundation
At the heart of the Phosphate RS is the premium SERAPH GR-201 T1000 Carbon Frame and matched rigid carbon fork. Weighing a combined total of just 1,610 grams, this frame platform offers immediate power transfer, razor-sharp handling, and clean internal cable routing to keep your lines protected out on the trail.
Crisp, Tactile Mechanical Shifting & Hydraulic Control
Experience the reliable, positive click of a finely tuned mechanical drivetrain. The LTWOO GRT 1x12 Mechanical groupset delivers crisp, precise gear changes through an ergonomic lever design built to withstand the elements. Paired with integrated full hydraulic disc brakes and a ZTTO disc rotor setup, you get uncompromised, one-finger stopping power in muddy singletrack or rain-slicked descents.
Conquer Any Grade
Whether you are crushing flat pavement miles or facing brutal backcountry walls, the massive range of the 2026 SPEDAO 12-Speed Ultra-Light 11-50t Cassette ensures you never run out of gears. Paired with the stiff, lightweight RYET Senicx Gravel Crankset, your climbing efficiency is completely maximized on the steepest logging roads.
Carbon Wheels & High-Volume Traction
Roll faster and smoother on a premium 10PLUS GRAVEL Carbon Wheelset. Wrapped in plush, high-volume Maxxis Rambler HX EXO TR 700x50c tires, the Phosphate RS floats over chunder and rough fire roads with unbelievable grip and comfort. Reinforced with featherweight CYCLAMI ultralight inner tubes, rotational weight is kept at an absolute minimum for lightning-fast acceleration.
Tailored Cockpit Comfort
Control your line with the ergonomic, swept-back design of the UNO FL12 Gravel Handlebars and an 80mm UNO ultralight stem. Wrapped in high-vibration-dampening Pure Silicone Gel Handlebar Tape and paired with a ZTTO Road Bike Carbon Fiber Clipless SPD pedal system, your contact points are perfectly dialed for marathon all-day adventures.
Elite Drop Bar Race Machine
The Phosphate One represents the absolute pinnacle of our gravel racing lineup. Built around the ultralight TT GR060 carbon frame (1020g), this drop-bar machine is engineered for pure speed and uncompromising efficiency. Equipped with premium components like ELITEWHEELS 5-Spoke Carbon Gravel wheels and LTWOO EGR 2nd-Gen wireless electronic shifting, it delivers an aerodynamic, lightning-fast ride designed to dominate the gravel scene.
Aerodynamic Powerhouse: Features full carbon construction and sleek ELITEWHEELS 5-Spoke ES5 2.0 wheels for unparalleled stiffness and speed.
Wireless Precision: Driven by the LTWOO EGR 2nd-Gen Full-Wireless Gravel Electronic Groupset for instant, flawless gear changes under race conditions.
Plush Micro-Suspension: Outfitted with a Zoom Road Bicycle 50mm Air Fork to track perfectly over rough corrugated terrain without robbing your power.
Ultra-Lightweight Build: Tipping the scales at an incredible 9.05 kg*, giving you a massive competitive advantage on punishing climbs.
Ideal For: Competitive gravel racers and weight-conscious riders demanding premium electronic shifting, elite aerodynamics, and pure speed.
*weights are estimated
Iso Hardtail XC Mountain Bikes
The Iso RS is a work of rotational weight-savings and trail compliance. By matching the lightweight M10 Carbon Frame with an elite 10PLUS MTB Carbon Wheelset, this build completely redefines what a hardtail can do. Every component is optimized for speed, featuring an ultra-lightweight ZTTO 295g HG Cassette and featherweight TOSEEK ZF-ONE 760mm wide Carbon Handlebars to form a sub-11.2 kg* rocket that flies up climbs and slices through singletrack
Have grams where it matters most. The RS tier drops total bike weight to an agile 11.18 kg* with carbon hoops and premium cockpit integration.
Premium Carbon Wheelset: Rolls on high-performance Lightweight Carbon Wheels (1495g) for explosive acceleration and noticeably sharper trail tracking.
Featherweight Rotational Mass: Equipped with a race-tier ZTTO Ultralight 12-speed cassette that strips unsprung weight directly from your rear axle.
Integrated Carbon Cockpit: Features Carbon Handlebars to dampen trail vibrations and reduce upper-body fatigue on long, punishing loops.
Uncompromising Grip: Wrapped in CST Jack Rabbit 29x2.25 tires for lightning-fast rolling speed on hardpack and predictable cornering side-knobs.
Ideal For: Endurance racers, high-mileage trail riders, XC racers and weight-conscious trail riders looking for the undeniable performance leap of carbon wheels. Local XC racers and weight-conscious trail riders looking for the undeniable performance leap of carbon wheels
*weights are estimated
The Wireless Revolution
Step into the future of shifting. Blending an ultra-light carbon chassis with high-tech, wireless electronic shifting and full carbon crank technology.
Drop your total weight to a blistering 10.64×6 kg and clean up your cockpit completely. The Iso RS 2 introduces the cutting-edge WheelTop EDS OX 2.0 Wireless Electronic Groupset. With no cables to stretch, rub, or jam with mud, you get instantaneous, perfectly indexed electronic shifts at the mere tap of a button—even under heavy load while cranking up a wall.
To complement the wireless tech, the RS 2 receives a significant drivetrain upgrade with a stunning, ultra-stiff KORE Full Carbon Fiber DUB Crankset and a beautiful lightweight 11-50t cassette. You get maximum power transfer, zero bottom-bracket flex, and a clean, silent ride that lets you focus entirely on picking your line.
Premium Carbon Wheelset : Rolls on high-performance Carbon Wheels (1495g) for explosive acceleration and noticeably sharper trail tracking.
Featherweight Rotational Mass: Equipped with a race-tier Ultralight 12-speed cassette strips unsprung weight directly from your rear axle.
Integrated Carbon Cockpit: Features Carbon Handlebars to dampen trail vibrations and reduce upper-body fatigue on long, punishing loops.
Uncompromising Grip: Wrapped in CST Jack Rabbit 29x2.25 tires for lightning-fast rolling speed on hardpack and predictable cornering side-knobs.
Best For: Tech-forward riders wanting elite, wireless electronic execution without paying standard corporate premiums.
*weights are estimated
Our absolute finest configuration. A zero-compromise, sub-23 lb* racing machine combining active suspension dampening, full tubeless execution, and hyper-premium components.
This is the absolute pinnacle of what Cross Bicycle Company stands for. Tipping the scales at a featherweight 10.35 kg*, the IsoLine One is built to stand on top of the podium. Up front, the bike is anchored by the world-class Manitou Mattoc Pro 120mm Air Fork, offering hyper-plush mid-stroke support and infinite tuneability to erase technical trail obstacles.
The wheel configuration goes fully native with a custom high-performance tubeless setup, running premium West Biking sealant to completely eliminate pinch flats and allow you to run lower, high-traction tire pressures. Sitting on a skeletonized, ultralight WEST BIKING T700 Full Carbon Fiber Saddle and driven by the lightning-fast WheelTop electronic wireless drivetrain, every single component on the Iso One has been curated to create the ultimate cross-country racing machine.
Best For: Elite racers and riders demanding a true flagship, top-tier performance build with the absolute best component tech available.
weights are estimated