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Lightweight composite XC/trail bike with 120/130mm travel, GX AXS Transmission, XCR carbon wheels and integrated cockpit for efficient, playful speed.
Lightweight composite XC/trail bike with 120/130mm travel, GX AXS Transmission, XCR carbon wheels and integrated cockpit for efficient, playful speed.
Giant

Giant Anthem X Advanced SL 1 Full Suspension Mountain Bike 2026 in Solar Prominence

£6,499.00
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Estimated Delivery & Collection Dates

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The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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In the unlikely event that you are not satisfied with your purchase please feel free to return your items within 90 days of the purchase date for a full exchange or refund. Any item (excluding food, underwear or e-gift vouchers) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase.

It is recommended that you use a recorded delivery service or return to a store to ensure your items are received by us. We cannot assume responsibility for items that are lost in transit back to us.




Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the product(s) have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:
1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £50 for collection (£100 from Northern Ireland). If you do not have the original box in usable condition, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid proof of purchase.

Giant Anthem X Advanced SL 1 Full Suspension Mountain Bike 2026 in Solar Prominence

Season:2026

Brand:Giant

Code:9008018Anthem X Adv SL 1

The Anthem X Advanced SL 1 is a lightweight, ultra-responsive cross-country/trail hybrid, built to deliver speed on climbs and control on technical singletrack. Its Advanced SL composite chassis, 120mm FlexPoint Pro suspension and 130mm Fox 34 SL fork create a fast, capable platform that blurs the line between trail fun and race pace.

With wireless SRAM GX AXS Transmission, integrated cockpit, internal frame storage and the XCR carbon WheelSystem, it’s ready to rip from marathon terrain to aggressive XC loops.

Key Features & Benefits:

  • Advanced SL Composite Frame: Premium carbon construction with internal storage and flip-chip geometry for efficiency and versatility.
  • Pro-Level Control: 120mm FlexPoint Pro rear suspension and 130mm Fox 34 SL fork deliver balance, traction and descending confidence.
  • Modern XC/Trail Performance: Wireless GX AXS Transmission, XCR carbon wheels and a wide 2.4" tyre setup for speed and grip.

Full Specification:

  • Frame: Advanced SL-grade composite front and rear triangles, 120mm FlexPoint Pro suspension, flip chip, 12x148mm thru-axle, internal storage
  • Rear Suspension: Fox Float SL Factory, 210/50
  • Fork: Fox 34 SL Performance Elite, 130mm, GRIP X damper, Boost 15x110, 44mm offset
  • Number of Gears: 12
  • Gear Shifters: SRAM AXS Pod, discrete clamp, 1x12
  • Chainset: SRAM GX Transmission, 32T, 55mm chainline (S/M:170mm; L/XL:175mm)
  • Chainrings: 32T
  • Rear Cassette: SRAM XS 1275, 10–52
  • Chain: SRAM GX Transmission
  • Front Derailleur:
  • Rear Derailleur: SRAM GX AXS Transmission
  • Bottom Bracket: SRAM DUB, press fit
  • Pedals: Not Supplied — Shop Pedals Here
  • Rims: Giant XCR WheelSystem
  • Front Hub: Giant MTB alloy, 6-bolt
  • Rear Hub: Giant MTB alloy, 6-bolt
  • Front Tyre: Maxxis Rekon Race 29x2.4, foldable, 120tpi, EXO, tubeless
  • Rear Tyre: Maxxis Rekon Race 29x2.4, foldable, 120tpi, EXO, tubeless
  • Brakes: Shimano Deore XT BR-M8120 with Shimano RT-MT905 rotors — 203mm front / 180mm rear
  • Handlebars: Giant Integrated XC composite, 780mm, 9° upsweep
  • Handlebar Grips: Giant Tactal, lock on
  • Headset: Not specified (Giant OverDrive system)
  • Stem: Giant Integrated XC Carbon — S:50mm, M:50mm, L:60mm, XL:70mm
  • Saddle: Giant Grit SL
  • Seatpost: Giant Contact Switch AT dropper — S/M:110–140mm travel, L/XL:140–170mm travel (30.9mm)
  • Accessories: Tubeless prepared, 2.4" max tyre size, 34T max chainring size, MRP 1x CS chain guide
  • Weight: Not provided by manufacturer
Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.


Sizing Chart for Giant Anthem

Frame SizeRider Height (cm)
S163 - 172
M171 - 180
L179 - 188
XL187 - 198

Geometry Chart for Giant Anthem


bike diagram with measurements referenced in table that follows

SMLXL
LOW|HIGHLOW|HIGHLOW|HIGHLOW|HIGH
A Seat Tube Length(mm)400420465495
B Seat Tube Angle75.0°|75.5°75.1°|75.5°75.1°|75.6°75.1°|75.6°
C Top Tube Length(mm)577|575603|602625|624653|651
D Head Tube Length(mm)9095105115
E Head Tube Angle66.0°|66.5°66.1°|66.5°66.1°|66.6°66.1°|66.6°
F Fork Rake(mm)44444444
G Trail(mm)119.5|115.7119.3|115.6119.2|115.5119|115.4
H Wheelbase(mm)1145|11441172|11711196|11951225|1224
I Chain Stay Length(mm)437|435437|435437|435437|435
J Bottom Bracket Drop(mm)48|4248|4248|4248|42
K Stack(mm)606|602611|607620|616629|625
L Reach(mm)415|420440|445460|465485|490
M Stand Over Height(mm)774|780770|776762|769757|764
N Handlebar Width(mm)780780780780
O Stem Length(mm)50506070
PCrank Length(mm)170170175175

Warranty Information for Giant

ComponentWarranty Period
Bicycle frame (Downhill excluded)Lifetime
Rigid Forks10 Years
Downhill frame3 Years
Giant own brand components, Pedals, grips, bar tape, saddle, Paint & Decals2 Years
Electronic E-bike components including battery2 Years (or 600 charge cycles)
For full warranty policy please visit giant-bicycles.com
Sizing Information
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