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Meet the bike in between nothing. Leaving no rider wanting. Master of the climb, the bomb, the rail and the air. The utterly unequivocal. The rule crusher. The trend buster. No rig can rule all, but this one can absolutely rule. The mountain bike.
Meet the bike in between nothing. Leaving no rider wanting. Master of the climb, the bomb, the rail and the air. The utterly unequivocal. The rule crusher. The trend buster. No rig can rule all, but this one can absolutely rule. The mountain bike.
Yeti Cycles

2025 Yeti Cycles SB140 T-Series 29 Frame - Turquoise

£4,399.00
Pre-Order

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
No Hassle Returns


Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.



To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Several types of goods are exempt from being returned. Perishable goods such as food, flowers, newspapers or magazines cannot be returned. We also do not accept products that are intimate or sanitary goods, hazardous materials, or flammable liquids or gases.

Additional non-returnable items:

  • Gift cards
  • Custom painted items
  • Items that have had custom decals fitted or frame protection
  • Custom built items such as wheels or bikes
  • Special order items
  • Some health and personal care items

To complete your return, we require a receipt or proof of purchase.

Please do not send your purchase back to the manufacturer.

There are certain situations where only partial refunds are granted: (if applicable)

  • Book with obvious signs of use.
  • CD, DVD, VHS tape, software, video game, cassette tape, or vinyl record that has been opened.
  • Any item not in its original condition, is damaged or missing parts for reasons not due to our error.
  • Any item that is returned more than 30 days after delivery


Refunds (if applicable)

Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.

If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

Late or missing refunds (if applicable)

If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted.

If you’ve done all of this and you still have not received your refund yet, please contact us at info@mechmonkey.co.uk.

Sale items (if applicable)

Only regular priced items may be refunded, unfortunately sale items cannot be refunded.

Exchanges (if applicable)

We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at info@mechmonkey.co.uk and send your item to: 2A Balmoral Link, Belfast, BT12 6QB, United Kingdom.

Gifts

If the item was marked as a gift when purchased and shipped directly to you, you’ll receive a gift credit for the value of your return. Once the returned item is received, a gift certificate will be mailed to you.

If the item wasn’t marked as a gift when purchased, or the gift giver had the order shipped to themselves to give to you later, we will send a refund to the gift giver and he will find out about your return.

Shipping

To return your product, you should mail your product to: 2A Balmoral Link, Belfast, BT12 6QB, United Kingdom.

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

Depending on where you live, the time it may take for your exchanged product to reach you, may vary.

2025 Yeti Cycles SB140 T-Series 29 Frame - Turquoise

Brand:Yeti Cycles

Code:ULB0000000XFMEPMST94152FC

Meet the bike in between nothing. Leaving no rider wanting.

Master of the climb, the bomb, the rail and the air. The utterly unequivocal. The rule crusher. The trend buster. No rig can rule all, but this one can absolutely rule. The mountain bike.

This is the mountain bike you reach for when the trail is untamed and unrelenting, in both directions. “Trail bike” is a term that gets used pretty liberally in the industry, so Yeti designed the SB140 to be even better suited to go deep and find out what’s on the other side.

Every rider deserves a frame feel that’s tuned for them, regardless of frame size. Over the course of hundreds of virtual simulation comparisons and back-to-back carbon prototype testing, Yeti refined their carbon layups to deliver consistent torsional stiffness and flex profiles across all frame sizes. The feel is precise yet compliant while structurally balancing light weight and durability.

A Smarter Leverage Rate

Designed around a relatively linear progression curve, with slightly more progression at the end of the stroke for the added travel of the bike. SB140 Riders get great small bump sensitivity, an incredibly supportive mid stroke and a composed, bottomless feel. It’s a progression curve that’s delivers quality full travel capability, for mountain biking. Other bikes might have more progressive curves. The question is, what for?

Cable Management

Internally routed cable tubes with secure closures at entry and exit points eliminate rattles and cable rub. Whether running a mechanical drivetrain and dropper or a wireless setup, cable management is intuitively easy and quiet.

Threaded BB

Threaded aluminum bottom bracket shell with integrated ISCG-05 tabs. This critical drivetrain interface is now more durable, cleaner, and easier to service.

Universally Ready

If a hanger bending crash occurs, the new Yeti models use the Universal Derailleur Hanger (UDH) interface — the industry standard mount for a rear derailleur. The UDH is available in nearly any bike shop, Yeti dealer or not.

Features

  • New threaded bottom bracket
  • New high-clearance downtube
  • New dual-density downtube protection
  • Universal derailleur hanger (UDH)
  • Secure, fully enclosed internal cable management
  • Compatible with long dropper posts
  • 100% standard sealed enduro max bearings
  • Floating collet axle pivot design
Key Details
  • Frame Material: Carbon
  • Recommended Fork Travel: 150/160mm
  • Rear Travel: 140mm (Fox Factory Float X)
  • Wheel Size: 29"
Technical Information
Frame: TURQ Series carbon fiber frame, Switch Infinity V2 suspension technology, Threaded BB, internally tunneled cable routing, 148mm x 12mm BOOST dropouts, sealed enduro max pivot bearings, Universal derailleur hanger (UDH), and axle.

Shock: Fox Factory Float X (210 x 55)

Shock Hardware: The SB140 uses M8x36mm hardware on the air can side and a custom Yeti reducer on the shaft side. If you swap between shocks, the reducer can be found here, https://yeticycles.com/gear/detail/shock-eyelet-spacer

Headset: The SB140 uses an Integrated 41mm/52mm tapered headset. This system allows for the headset bearings to be contained inside the head tube for an overall lower ride height, more simplified installation, and increased stiffness.

Chainline: The SB140 was designed around a 55mm Boost chainline. Depending on the crank and chain ring configuration you can run other chainlines but you will have to do a clearance check first.

Seatpost Diameter: 31.6mm (36.4mm seat collar)

Warranty: The SB140 has a LIFETIME manufacturer's warranty
Sizing Information

SM

MD

LG

XL

A

SEAT TUBE LENGTH

365

400

440

470

B

EFFECTIVE TOPTUBE LENGTH

571

602

623

650

C

HEADTUBE ANGLE

65.4

65.4

65.4

65.4

D

EFF. SEAT TUBE ANGLE

77.5

77.5

77.5

77.4

E

ACTUAL SEAT TUBE ANGLE

72.2

72.6

72.8

73.2

F

CHAINSTAY LENGTH

436

438

440

442

G

WHEELBASE

1184

1217

1242

1273

H

ESTIMATED BB HEIGHT

339

339

339

339

I

STANDOVER

722

729

733

735

J

HEADTUBE LENGTH

92

95

100

112

K

FORK AXLE TO CROWN

565

565

565

565

L

FORK OFFSET

44

44

44

44

M

STACK

614

617

621

631

N

REACH

435

465

485

510

O

FRONT CENTER

748

779

802

831

P

VERTICAL FORK TRAVEL

136

136

136

136


All lengths in mm

Fit Guide
  • Small: 5’1” - 5’7”
  • Medium: 5’5” - 5’11”
  • Large: 5’10” - 6’3”
  • X-Large: 6’1” - 6’7”
  • XX-Large: 6’5” - 6’11”
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