GIANT FATHOM 29 1 HARDTAIL MTB BIKE 2023 GLOSS COLD NIGHT
Product Details - Giant Fathom 29 1 Hardtail Mtb Bike 2023 Gloss Cold Night
Product Details - Giant Fathom 29 1 Hardtail Mtb Bike 2023 Gloss Cold Night
Crank up steep climbs with smooth efficiency. Swoop down singletrack descents with speed and confidence.
This hardtail 29er delivers a balanced ride on XC terrain.
Features Giant Fathom 29 1 Hardtail MTB Bike 2023
- Trail tuned design: Balanced geometry with a 75-degree seat tube angle puts the rider in a powerful pedalling position on climbs, while a slacker 66-degree head angle boosts confidence and control on technical descents.
- Responsive handling: Lightweight ALUXX SL aluminium hardtail frame offers agile acceleration and manoeuvrability to help riders climb, corner and hammer the flats with efficiency and speed.
-
Smooth control: Giant Crest 34 suspension fork with 130mm of travel absorbs roots, rocks and ruts. Grippy, high-volume tires boost traction on rugged terrain. And a dropper seatpost with handlebar remote lets you adjust saddle height on the fly for confident positioning on changing terrain.
Full Specification
- Frame: ALUXX-SL Grade Aluminium, disc
- Fork: Giant Crest 34 SL RCL130mm, 44mm offset, Boost 15x110
- Gear Shifters: SRAM SX Eagle, 1x12
- Chainset: SRAM SX Eagle, 30t S:165mm, M:170mm, L:170mm, XL:170mm
- Rear Cassette: SRAM SX Eagle, 11x50
- Chain: SRAM SX Eagle
- Front Derailleur: NA
- Rear Derailleur: SRAM NX Eagle
- Bottom Bracket: SRAM DUB pressfit
- Pedals: Not supplied
- Rims: Giant AM 29, tubeless ready sleeve-joint rim, 30mm inner width
- Hubs: Alloy, Sealed bearing
- Front Tyre: Maxxis Minion DHF, 29x2.5 WT, EXO/TR
- Rear Tyre: Maxxis Aggressor, 29x2.5 WT, foldable, EXO/T
- Brakes: ShimanoBR-MT420/410, hydraulic, Shimano RT-26 rotors [F]180mm, [R]180mm
- Handlebars: Giant Contact TR, 780x35
- Grips: Giant Sole-o
- Stem: Giant Contact SL 35 S:40mm, M:40mm, L:50mm, XL:50mm
- Saddle: Giant Romero
- Seatpost: Giant Contact Switch dropper, remote S: 125mm travel / 30.9 x 395mm M: 125mm travel / 30.9 x 395mm L: 150mm travel / 30.9 x 440mm XL: 170mm travel / 30.9 x 450mm
- Accessories: Factory tubeless set up, 2.5" max tyre size, 32t max chainring size
-
Weight: N/A
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.
Size Guide
Size Guide

How we Build & Pack Your Bike
How we Build & Pack Your Bike
Aftercare
Aftercare
At All Terrain Cycles, we want you to ride with confidence every time. To ensure your bike or e-bike stays in peak condition, here are some essential safety and maintenance tips.
Bicycle Safety
Always wear a helmet – Safeguard against head injuries by using a properly fitted, safety-certified helmet.
Perform pre-ride checks – Before each ride, verify that brakes, tyres, and gears are in good working order.
Stay visible – Utilise lights and reflective gear when cycling in low-light conditions.
Follow road rules – Ride responsibly and remain aware of your surroundings.
Aftercare for Your New Bike Initial Check-Up (First 50-100 miles)
Gear Adjustment – New cables may stretch slightly; have a qualified mechanic check and adjust them.
Brake & Wheel Check – Inspect brakes for wear and ensure wheels are aligned properly.
Lubrication – Apply chain oil and check bolt tightness to maintain smooth performance.
Tyre Pressure – Regularly monitor to prevent flats and enhance efficiency.
Routine Maintenance (Every Few Weeks)
Chain Care – Clean and lubricate your chain to minimise wear and prolong its life.
Brake Safety – Check brake pads and responsiveness before each ride.
Tyre Inspection – Look for punctures and ensure correct air pressure.
Handlebar & Stem Alignment – Confirm they are tight and secure to prevent instability.
Frame Safety Check – Look for any signs of damage or cracks.
Professional Check-Ups
Have your bike serviced at least once a year, or more frequently if you ride often.
Aftercare for Your New Electric Bicycle (e-Bike) Initial Check-Up (First 50-100 miles)
Battery Care – Fully charge your battery (if required) before the first ride and store it in a dry, moderate-temperature environment.
Avoid Overcharging – Unplug the charger once fully charged to extend battery life.
Routine e-Bike Maintenance (Every Few Weeks)
Motor Inspection – Listen for unusual noises and ensure smooth operation.
Battery & Connection Checks – Inspect cables and connectors for dirt, moisture, or damage.
Seasonal e-Bike Maintenance
Check Electrical Components – Ensure wires and connections are clean and secure.
Professional Servicing – Have your e-bike inspected at least once a year or every 500-1000 miles for optimal performance.
By following these aftercare guidelines, you’ll help ensure that your bicycle runs smoothly, lasts longer, and remains a joy to ride. Stay safe and enjoy the ride!
If you have any problems or concerns: Contact All Terrain Customer Services on 01274 588488 or email sales@allterraincycles.co.uk
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- SKU: 2311016114
- EPOS Code:






Product Description
Product Description
Crank up steep climbs with smooth efficiency. Swoop down singletrack descents with speed and confidence.
This hardtail 29er delivers a balanced ride on XC terrain.
Features Giant Fathom 29 1 Hardtail MTB Bike 2023
- Trail tuned design: Balanced geometry with a 75-degree seat tube angle puts the rider in a powerful pedalling position on climbs, while a slacker 66-degree head angle boosts confidence and control on technical descents.
- Responsive handling: Lightweight ALUXX SL aluminium hardtail frame offers agile acceleration and manoeuvrability to help riders climb, corner and hammer the flats with efficiency and speed.
-
Smooth control: Giant Crest 34 suspension fork with 130mm of travel absorbs roots, rocks and ruts. Grippy, high-volume tires boost traction on rugged terrain. And a dropper seatpost with handlebar remote lets you adjust saddle height on the fly for confident positioning on changing terrain.
Full Specification
- Frame: ALUXX-SL Grade Aluminium, disc
- Fork: Giant Crest 34 SL RCL130mm, 44mm offset, Boost 15x110
- Gear Shifters: SRAM SX Eagle, 1x12
- Chainset: SRAM SX Eagle, 30t S:165mm, M:170mm, L:170mm, XL:170mm
- Rear Cassette: SRAM SX Eagle, 11x50
- Chain: SRAM SX Eagle
- Front Derailleur: NA
- Rear Derailleur: SRAM NX Eagle
- Bottom Bracket: SRAM DUB pressfit
- Pedals: Not supplied
- Rims: Giant AM 29, tubeless ready sleeve-joint rim, 30mm inner width
- Hubs: Alloy, Sealed bearing
- Front Tyre: Maxxis Minion DHF, 29x2.5 WT, EXO/TR
- Rear Tyre: Maxxis Aggressor, 29x2.5 WT, foldable, EXO/T
- Brakes: ShimanoBR-MT420/410, hydraulic, Shimano RT-26 rotors [F]180mm, [R]180mm
- Handlebars: Giant Contact TR, 780x35
- Grips: Giant Sole-o
- Stem: Giant Contact SL 35 S:40mm, M:40mm, L:50mm, XL:50mm
- Saddle: Giant Romero
- Seatpost: Giant Contact Switch dropper, remote S: 125mm travel / 30.9 x 395mm M: 125mm travel / 30.9 x 395mm L: 150mm travel / 30.9 x 440mm XL: 170mm travel / 30.9 x 450mm
- Accessories: Factory tubeless set up, 2.5" max tyre size, 32t max chainring size
-
Weight: N/A
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.
Size Guide
Size Guide

How to Build Your Bike
How to Build Your Bike
Aftercare
Aftercare
At All Terrain Cycles, we want you to ride with confidence every time. To ensure your bike or e-bike stays in peak condition, here are some essential safety and maintenance tips.
Bicycle Safety
Always wear a helmet – Safeguard against head injuries by using a properly fitted, safety-certified helmet.
Perform pre-ride checks – Before each ride, verify that brakes, tyres, and gears are in good working order.
Stay visible – Utilise lights and reflective gear when cycling in low-light conditions.
Follow road rules – Ride responsibly and remain aware of your surroundings.
Aftercare for Your New Bike Initial Check-Up (First 50-100 miles)
Gear Adjustment – New cables may stretch slightly; have a qualified mechanic check and adjust them.
Brake & Wheel Check – Inspect brakes for wear and ensure wheels are aligned properly.
Lubrication – Apply chain oil and check bolt tightness to maintain smooth performance.
Tyre Pressure – Regularly monitor to prevent flats and enhance efficiency.
Routine Maintenance (Every Few Weeks)
Chain Care – Clean and lubricate your chain to minimise wear and prolong its life.
Brake Safety – Check brake pads and responsiveness before each ride.
Tyre Inspection – Look for punctures and ensure correct air pressure.
Handlebar & Stem Alignment – Confirm they are tight and secure to prevent instability.
Frame Safety Check – Look for any signs of damage or cracks.
Professional Check-Ups
Have your bike serviced at least once a year, or more frequently if you ride often.
Aftercare for Your New Electric Bicycle (e-Bike) Initial Check-Up (First 50-100 miles)
Battery Care – Fully charge your battery (if required) before the first ride and store it in a dry, moderate-temperature environment.
Avoid Overcharging – Unplug the charger once fully charged to extend battery life.
Routine e-Bike Maintenance (Every Few Weeks)
Motor Inspection – Listen for unusual noises and ensure smooth operation.
Battery & Connection Checks – Inspect cables and connectors for dirt, moisture, or damage.
Seasonal e-Bike Maintenance
Check Electrical Components – Ensure wires and connections are clean and secure.
Professional Servicing – Have your e-bike inspected at least once a year or every 500-1000 miles for optimal performance.
By following these aftercare guidelines, you’ll help ensure that your bicycle runs smoothly, lasts longer, and remains a joy to ride. Stay safe and enjoy the ride!
If you have any problems or concerns: Contact All Terrain Customer Services on 01274 588488 or email sales@allterraincycles.co.uk
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