Giant Fathom 1 27.5" - Nearly New - M 2023 - Hardtail MTB Bike
This Fathom 1 27.5" - Nearly New - M mountain bike is rated as an Excellent Grade which reflects that the bike is in very good condition and can be considered to have been 'pre-pedalled'. Having been lightly used, there are some signs of use on the bike. The only minor visible marks are on the chain stays, down tube, rear dropout, rear mech and saddle.
To ensure this bike meets our high standards for quality, it has undergone a thorough inspection by our professional mechanics. As with all our bikes, it comes with a 12-month Tredz warranty, plus any additional manufacturer warranty which may apply.
Get your daily dose of singletrack with the Giant Fathom 1 27.5” MTB. With a lightweight frame, 130mm suspension fork and 27.5 wheels with high-volume tyres, this hardtail mountain bike offers loads of traction, speed and fun on the trail.
Key Features:
- ALUXX SL-Grade Aluminum frame
- Giant Crest 34 gives 130mm of travel to keep you in control
- Sram gears give you smooth and precise shifting every time
- Shimano brakes give you the stopping power you need in all weathers
- Maxxis Ardent Race tyres give you the confidence to take every corner at speed
- Sizes: M
- Colours: Knight Shield
- The Giant Fathom 1 27.5” is available with 0% APR Finance
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.
All Tredz bikes are:
- Fully built & ready to ride
- Fully checked & tested by Cytech qualified mechanics
- Available with 0% APR finance on any basket over £99
- UK price match promise
- 365 day no hassle returns
- Free delivery in the UK Mainland on a date that suits you
In the box with every Tredz bike is:
- Free Tredz 9 key trail tool
- Free Tredz pedal spanner
- Free basic pedals
- Tredz drawstring kit bag
- 16 point quality control check sheet
- Basic bike setup instructions
- Free Cycle Plan insurance voucher (8 weeks)
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | ALUXX SL-Grade Aluminum |
| Fork | Giant Crest 34 SL RCL, 130mm, 44mm offset, Boost 15x110 |
| Stem | Giant Contact SL 35 S:40mm, M:40mm, L:50mm, XL:50mm |
| Bars | Giant Contact TR35, 780x35mm |
| Front Brake | Shimano BR-MT420/410, hydraulic, Shimano RT-26 rotors [F]180mm, [R]180mm |
| Rear Brake | Shimano BR-MT420/410, hydraulic, Shimano RT-26 rotors [F]180mm, [R]180mm |
| Brake Lever | Shimano BR-MT401 |
| Front Mech | N/A |
| Rear Mech | SRAM NX Eagle |
| Shifters | SRAM SX Eagle, 1x12 |
| Speed | 12 |
| Rims | Giant AM 27.5, tubeless ready sleeve-joint rim, 30mm inner width |
| Front Hub | alloy, sealed bearing |
| Rear Hub | alloy, sealed bearing |
| Spokes | Stainless steel |
| Front Tyre | Maxxis Ardent Race 27.5x2.6, folding, TR |
| Rear Tyre | Maxxis Ardent Race 27.5x2.6, folding, TR |
| Seat Post | 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 |
| Saddle | Giant Romero |
| Chainset | SRAM SX Eagle, 30t S:165mm, M:170mm, L:170mm, XL:170mm |
| Bottom Bracket | SRAM DUB, press fit |
| Chain | SRAM SX Eagle |
| Cassette | SRAM SX Eagle, 11x50 |
| Pedals | N/A |
Typical Bike Size Chart
|
Height
|
Bike Size
|
Road Bike Size
|
Mountain Bike Size *
|
|
4’8” – 5’1”
143 – 155 cm
|
XXS
|
44 cm
|
13” (33 cm)
|
|
5’1” – 5’4”
155 – 163 cm
|
XS
|
48 cm
|
15” (38 cm)
|
|
5’4” – 5’7”
163 – 170 cm
|
S
|
51 cm
|
16” (41 cm)
|
|
5’7” – 5’10”
170 – 178 cm
|
M
|
54 cm
|
18” (46cm)
|
|
5’10” – 6’0”
178 – 183 cm
|
L
|
56 cm
|
19” (48cm)
|
|
6’0” – 6’3”
183 – 191 cm
|
XL
|
58 cm
|
20” (51 cm)
|
|
6’3” – 6’5”
191 – 196 cm
|
XXL
|
60 cm
|
21” (53 cm)
|
|
6’5” – 6’9”
196 – 205 cm
|
XXXL
|
62 cm
|
22” (56 cm)
|
* Mountain bikes are sized differently to road bikes. Typically, they are sized in inches as the first MTBs were produced in the USA. European brands like Lapierre and Haibike like to use centimetres for all their bikes. The measurements of their mountain bikes doesn’t match their road bikes but are like a simple conversion from the inches measurement. This is why we have included cm measurements in brackets for the Mountain bike column.
Read our bike size guide for more information on sizing.
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