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Session Al F/S R1 Deep Dark Blue to Alpine Blue Fa
Session Al F/S R1 Deep Dark Blue to Alpine Blue Fa
Trek

Trek Session Al F/S Mountain Bike Frameset 2025 in Deep Dark Blue To Alpine Blue Fa Blue to Alpine Blue

£3,425.00
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With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

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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Hassle free returns

Any item, except food, face masks or e-gift vouchers (full e-gift vouchers T&Cs are listed on the respective product pages) 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 to ensure your items are received by us. We cannot assume responsibility for items that are lost in the post.

Online or in-store purchases can both be returned to any store free of charge or can be returned by post after completing the online returns form. If you are returning an item due to a fault, we will refund your postage.

If you wish to return your bike to us, please keep the box it arrived in and let us know using the returns form and we will arrange collection.


Customer Returns Form

If you wish to cancel, return or exchange an order please fill in the form below. Returns can be processed quicker if all required information is added.



Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the products 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 £24.99 for collection. If you do not have the original box, 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 receipt.

Trek Session Al F/S Mountain Bike Frameset 2025 in Deep Dark Blue To Alpine Blue Fa Blue to Alpine Blue

Season:2025

Brand:Trek

Code:37959DBLUtoAlpineBLUFade

The session al frame set gives you an incredible foundation for building up your ideal downhill machine. The new high-pivot suspension design keeps you nimble, planted and blazing-fast on even the most punishing runs, and burly alloy construction rolls with the punches on gnarly and technical trails.You spend your days putting in laps on the mountain, and even racing from time to time. You live for blazing-fast descents, and want a solid, high-traction dh bike frame set you can spec with your choice of parts to create the dh bike of your dreams.A burly alloy frame, 200 mm rear travel with a marzocchi bomber coil shock with a 226.7 kg spring. The fsa orbit headset includes adjustable fixed-angle cups. Can be run with 29" wheels, 27.5" wheels or even mullet style with a 29er in front and 27.5" at the back.A great foundation for your dream dh build. The new high-pivot suspension design delivers more traction, more speed and virtually no pedal kickback.- new suspension layout with a high pivot and idler pulley increases traction, carries more speed and reduces pedal kickback for more stability- virtually zero pedal kickback means that youâll stay confidently planted and in control during descents â especially when landing jumps or drops- the high pivot design delivers a more efficient rearward axle path so youâll carry more speed and your wheel wonât get hung up on obstacles- the marzocchi coil shock delivers a supple feel with minimal stiction and consistent performance on long, rowdy descents- our new dh sizing system is based on reach, not rider height, which is the most important factor in a great downhill bike fitall speed, no hang-upssessionâs high-pivot design results in a rearward axle path that lets the back wheel move with the rearward force from bumps, not against it. On the trail, it feels like smoother suspension that maintains more forward momentum and provides more grip.Rock the mulletsession comes stocked for speed with 29er wheels, but party-in-the-back riders can run a mixed setup with a 27.5ë rear wheel, or even 27.5" front and rear for more agility
Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Size Guide for Trek Session 9

SizeRider HeightRider HeightInseamInseam
R1161 - 175 cm5'3" - 5'9"76 - 82 cm30" - 32"
R2174 - 188 cm5'9" - 6'2"82 - 88 cm32" - 35"
R3186 - 196 cm6'1" - 6'5"87 - 92 cm34" - 36"

Geometry Information for Trek Session 9

Frame size letterR1R1R2R2R3R3
Geometry positionHighLowHighLowHighLow
Wheel size29"29"29"29"29"29"
A —Seat tube42.542.542.542.542.542.5
B —Seat tube angle61.6°61.0°61.6°61.0°61.6°61.0°
Effective seat tube angle77.1°76.5°77.1°76.5°77.1°76.5°
C —Head tube length11.711.711.711.711.711.7
D —Head angle63.6°63.0°63.6°63.0°63.6°63.0°
E —Effective top tube58.658.761.761.865.265.3
F —Bottom bracket height35.93535.93535.935
G —Bottom bracket drop1.22.11.22.11.22.1
H —Chainstay length43.543.944.144.544.845.2
I —Offset4.64.64.64.64.64.6
J —Trail13.113.613.113.613.213.6
K —Wheelbase124.3124.6127.4127.7130.9131.2
L —Standover75.574.775.975.175.774.9
M —Frame reach44.74447.246.549.949.3
N —Frame stack63.463.963.463.963.463.9



Warranty Information for Trek:

Lifetime warranty on Frame sets (frame and rigid fork), main frame and full suspension swing arms for the lifetime of the original owner, and Bontrager wheels with carbon rims.

2-year warranty on Rear suspension linkage components, including bearings, rocker link and accompanying hardware and components, Bontrager wheels with alloy rims, Paint and transfers.

For full warranty policy please visit trekbikes.com

Sizing Information
Trek Sizing Guide
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