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Send-it-all on the all new Sentinel.
Send-it-all on the all new Sentinel.
Transition

Transition Sentinel Carbon XT Di2 Mountain Bike in Glacier White

£6,999.00
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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
Earn Rewards
When you purchase this item, you will earn of rewards points to spend on your next purchase from us. You can spend your Rewards balance in-store & online.

Hassle free returns

Your statutory rights are not affected by our Returns Policy. To the extent that any provision in our Returns Policy conflicts with your statutory rights, your statutory rights will prevail and the particular offending provision in our Returns Policy will be deemed inapplicable.


Returns and refunds

If you are unhappy with your item, please let us know. Our Returns Policy gives you 30 days to return or exchange an item bought with a valid receipt. If 30 days have gone by since your purchase, we cannot offer you a refund or exchange.To be eligible for a refund or exchange, goods must be returned in a re-saleable condition. That means your item must be unused and in the same condition that you received it. The item must be in the original packaging and returned with any accessories, labels and “free gifts” or bonus items.

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

Under the Consumer Rights Act of 2015 you have an early right to reject goods that are unsatisfactory quality, unfit for purpose or not as described, and get a full refund.

But this right is limited to 30 days from the date you took ownership of the goods (this could be the date of purchase or the date the goods were delivered to you - whichever is later).

After the initial 30 days, you can't demand a full refund in the first instance, but you still have the right to a repair or replacement.

How to return your item(s):

  1. Put your unused, labelled item for return back in its original packaging.
  2. Fill in a Returns Form and include this with the item you are returning in a parcel.
  3. Send the parcel to the following address:

J's Cycles

Unit A Kirkgate Commercial Centre

Chantry Bridge

Wakefield

WF1 5DL


We will be in touch if there are any issues or when your return has been processed.

Refunds (if applicable)

Once your returned item 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 14 calendar days. If you paid for standard delivery of the goods, the cost of standard delivery will also be refunded.

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

- Any item not in its original condition, which is damaged or missing parts for reasons not due to our error

- Any item that is returned more than 30 days after delivery.


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 orders@jscycleshack.com

Returns Shipping

If the item is being returned as a result of our error (damaged, defective, wrong item sent etc), we will refund Royal Mail First Class or Standard Parcel postage costs.

If the item is being returned as a result of a change of mind, purchased the wrong size, item is not suitable, etc… the original cost of the outbound postage will be refunded by us, however the consumer is liable for all return costs incurred.

If you are shipping an item over £50, you should consider using a trackable shipping service or purchasing shipping insurance as we cannot guarantee that we will receive your returned item.


International Refunds

All refunds are processed in GBP (£). J’s Cycle Shack will not refund any charges made by your bank for currency conversions or any customs charges incurred throughout the shipping/returns process. J’s Cycle Shack will not refund differences caused by fluctuations in exchange rates. Shipping costs will be refunded as outlined in the paragraph above.


Guidelines For The Best Experience

Each returned item should be in it’s original packaging with the manufacturer’s labels attached. Please do not tape or attach labels directly to the retail packaging.

Retail store purchases should be returned to the original place of purchase. If this is not possible then follow our website returns policy and include proof of purchase.

We reserve the right to reject the return of goods which are not returned in accordance with our Returns Policy and we may request that you pay for the shipping of such goods back to you. Our returns policy does not affect your statutory rights.

A deduction will be made if the value of the goods has been reduced as a result of you handling the goods more than was necessary. The extent to which a customer can handle the goods is the same as it would be if you were assessing them in a shop.

Once we receive your goods, we will inspect and process them within 24hrs. Refunds will automatically be issued to the same payment method used to purchase the goods. As soon as your return has been processed by our team we will email you to let you know. In the unlikely event that you don’t receive this email within 10 days of posting your parcel to us, please get in touch with our Customer Service Team through our Contact us page or by calling 01977 67999.

If your purchase isn’t everything you expected it to be and you wish to exchange an item the simplest and quickest thing to do is place a brand new order for your new item and return the old one to us for a full refund.

Goods that cannot be returned:

There are some goods you can’t return if you simply change your mind, including:

  • CDs, DVDs or software if you’ve broken the seal on the wrapping
  • Perishable and other items that deteriorate rapidly such as food
  • Custom Built, tailor-made or personalised goods
  • Underwear and earrings
  • Used goods including footwear which have had cleats fitted

European Online Dispute Resolution (ODR)

For information regarding European ODR, please click here.


Right to cancel

In addition to our Returns Policy, under the Consumer Contracts Regulationsof 2013, you have the right to cancel your order up to 14 days from the day you receive your goodsif you are an online, mail or telephone order customer. You then have a further 14 days from the date you notify the retailer of your cancellation to return thegoods.Therefund will include any standard delivery charges paid. You will be responsible for the cost of returning a cancelled order to us.

We will refund to you the price paid for the items and (unless you did not pay for delivery) the delivery charges that you paid up to a maximum amount of the cost of our standard delivery option. You will be refunded to your original method of payment within 14 calendar days of our receipt of the cancelled items or, if earlier, within 14 days from the day we receive proof of return from you. If we do not receive the cancelled items back, we may arrange to collect them from you at your cost.

To exercise your right to cancel, please email us at orders@jscycleshack.com with your order number, first and last name.

Transition Sentinel Carbon XT Di2 Mountain Bike in Glacier White

Season:2025

Brand:Transition

Code:THW2ID.TX.BRC.TNES.52.BC.

A bike that says yes to every trail, every ride and begs for more.

The Sentinel rides the lines between planted bottomless sender and playful, poppy trail pony. This leaves it right in the sweet spot, as Transition likes to call it. It's versatile attitude helps riders excel and push their limits, making it the one bike most will need. Its intuitive nature is easy to get acquainted with; you'll find yourself sending lines, jumps, and manoeuvres you always felt were beyond your ability. Where before you went around, now you go over. Where you pushed up, now you pedal. Where you rolled, now you boost. It's time to Send-It-All.

Features:

  • Refining The Legend
    The new Sentinel may have a similar silhouette, but Transition have fully redesigned the frame with updated industrial design, features, and geometry to turn it up a notch. The leverage curve supports the bike higher in its travel, leaving plenty of room for big hits while keeping it light on its feet to remain nimble and quick everywhere else. This gives it the lively, sporty attitude felt in the Spur and Smuggler without sacrificing its capabilities in rougher terrain. New size specific chainstays and a 64 degree headtube angle keep riders balanced with great traction on climbs and descents. All of this creates a bike that encourages new riders to push their limits, while ensuring a seasoned pro feels none.
  • Refined Details
    Transition took a step back and looked for ways to improve the Sentinel, not just for the sake of change but for real, tangible steps forward that riders will feel and experience.
    They added internal frame storage in the downtube of their carbon frame. The B.O.O.M. Box (Burritos Or Other Munchies) is positioned below and isolated from the water-bottle cage mount. This allows you to leave your bottle installed in your cage while easily getting into the B.O.O.M. Box, reducing clutter and fuss on the trail. It also prevents noise by not placing any weight on the door itself. With an easy access lever and two supplied gear bags, riders can stow away snacks, tools, a tube, or anything else they want to have along for the ride.
  • Geo-Adjust Flip Chip
    The lower shock mount has a geo-adjust flip chip to accommodate mixed wheels, and features a new design that allows water, dirt and debris to easily wash away. Low for 29" rear wheel, high for 27.5".
  • Mud Guard
    The Sentinel comes with a pre-installed mud guard to protect the main pivot area, improving the bearing life.
  • Chainstay Protector
    An all-new chainstay protector minimizes chain slap, so you can enjoy the sound of your favourite turns. The "pillow top" design features large rubber pillows that dampen sound and protect the chainstay.
  • Cable Ports
    Cable ports on the side of the headtube allow for easy and simple cable routing with customizable options for mechanical or wireless shifting as well as left or right rear brake setups. The new port stops cables from getting kinked during a crash and holds them tight to prevent rattling. If you aren't using the port at all, simply cover it with the supplied insert to prevent dirt or water from getting inside your frame and keep a clean aesthetic. These ports help improve the looks of the frame while remaining functional and simple for maintenance.
  • Fidlock
    To give you the most bottle options on any size bike, every Sentinel comes with a Fidlock base installed. Fidlock bottles give you more volume of water in a smaller space, allowing for a Fidlock 450 ml bottle on Transition's XS frame, up to 590 ml on SM, and up to 750 ml on MD-XXL. Bottles and all other Fidlock accessories sold separately.
Technical Information
  • Frame
    Sentinel Carbon 150mm
  • Wheel size
    29" (X-Small 27.5")
  • Rear shock
    Fox Float X Performance Elite (205 x 60 mm)
  • Fork
    Fox Float 36 Grip X2 Performance Elite (160 mm)
  • Headset
    FSA No.57E
  • Stem
    ANVL Swage (40mm)
  • Handlebar
    OneUp Carbon Bar XS/SM (800 x 20 mm) MD/LG/XL/XXL (800 x 35 mm)
  • Grips
    ODI Elite Flow Lock-On
  • Saddle
    SDG Bel Air 3 LUX
  • Seatpost
    OneUp Dropper Post XS (120 mm) SM (150 mm) MD (190 mm) LG (210 mm) XL/XXL (240 mm)
  • Brakes
    Shimano XT BR-M8220 4 Piston
  • Rotors
    Shimano RT86 (203 mm)
  • Shifter
    Shimano XT Di2 SW-M8250
  • Derailleur
    Shimano XT Di2 RD-M8250
  • Cassette
    Shimano XT CS-M8200-12 (10-51T)
  • Chain
    Shimano XT CN-M8100
  • Crank
    Shimano XT FC-M8200 (30T/165 mm)
  • Rims
    DT Swiss XM 481
  • Spokes
    DT Swiss Competition
  • Hubs
    DT Swiss 350 Classic DEG
  • Tyre/Front
    Maxxis Assegai 3C EXO+ (2.5)
  • Tyre/Rear
    Maxxis Minion DHRII 3C EXO+ (2.4)
  • Included
    Shimano Di2 Battery Charger Tubeless Valves & Sealant
  • Colour options
    Glacier White Graphite Grey Deep Purple
Sizing Information
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