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It's forgiving do-it-all attitude truly blurs the lines between planted bottomless sender and playful poppy trail pony. Whether you're chasing EWS dreams or just a weekend afternoon escape, it will bring out the best in you.
It's forgiving do-it-all attitude truly blurs the lines between planted bottomless sender and playful poppy trail pony. Whether you're chasing EWS dreams or just a weekend afternoon escape, it will bring out the best in you.
Transition

Transition Sentinel Carbon MTB Frame Set Loam Gold

£3,199.95   
Click & Collect for Free
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 the Undetermined

Hassle free returns

We hope you are extremely happy with your Windwave purchases. However, if for any reason you are not completely satisfied then you have 30 days from the date on which the goods were received to return any item for an exchange or a full refund.

For any Returns or Warranty enquiries, you will need authorisation from our Returns Manager to be considered prior to shipping. Please contact hollie@windwave.co.uk for details. Hollie will arrange a return and an email containing a returns form will be sent to you. Please complete the form, attach a copy of your proof of purchase, and place them in with your product.

We recommend that you take your package to a post office and send via recorded delivery (or similar), as Windwave cannot accept responsibility for any loss or damage that may occur during transit of your parcel to our offices. We advise that you email us the tracking number so it can be added to your claim for reference.

It normally takes us about 10 working days to process a return once the returned items have been received into our warehouse. Upon inspection of the returned product, Windwave will issue a refund or process an exchange. A return confirmation email will be sent to you once your return has been processed.

In the unlikely event that an item is returned to us in an unsuitable condition, Windwave reserves the right not to refund the item and arrange to send the item back to you at your expense.

Please note that we can only offer exchanges for a like-for-like product in a different colour or size. Please also bear in mind that we cannot guarantee that a replacement product will be in stock when your return is processed. We therefore we recommend placing a new order and returning the original product for a refund.

Please note that returned products cannot be dropped back at our warehouse or offices. All returns must be sent via post.

For further information please see our Terms and Conditions.

Transition Sentinel Carbon MTB Frame Set Loam Gold Information

Season : 2021

Brand : Transition

Code : TR.FS.21.SENT.CARBLoamGLD

The Hard Charging All-Rounder

The Sentinel inspires confidence like you're wearing full body armour.

It's forgiving do-it-all attitude truly blurs the lines between planted bottomless sender and playful poppy trail pony. Whether you're chasing EWS dreams or just a weekend afternoon escape, it will bring out the best in you. So easy to get acquainted with you'll find yourself sending lines, jumps and maneuvers 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.

Lifetime Warranty

At Transition Bikes we take pride in the quality of our products and are stoked to offer a lifetime warranty for the original owner and our stellar crash replacement program. We got your back so you don't have to worry about your bike.

All Carbon Construction

Full carbon frame made form premium Japanese Toray fibre with a tailored blend of 24T and 30T materials to create the right balance of frame stiffness, strength and impact toughness. Out unique latex coated EPS molding process allows for sharper frame lines and tighter edge radius control with maximum strength to weight ratio and less wasted.

Pivot Technology

Collet main pivot technology improves rear end stiffness and keeps your pivot hardware tight. Additional bearing shields prevent amin pivot bearing contamination when washing your bike or riding in wet conditions.

Frame Protection

We keep your bike rides quiet and your frame safe from damage with fully integrated, flush-mounted rubber frame protection at all critical areas. In addition to downtube and seatstay protection, the ribbed chainstay protector features expanded coverage of the rear dropout pivot area.

Badass Bearings

We exclusively use EnduroMAX suspension pivot specific bearings in standard sizes that area readily available worldwide. Dual bearings are used at the dropout pivots for frame stiffness and additional c-clips lock the rocker bearings in place under torsional loads.

Gear Accessory Mount

out underside top-tube accessory mount allows you to carry a spare tube or other goodies safely on your frame in case you are looking to ditch the backpack.

Mega Seatpost Insertion

Dropper posts keep getting longer so we combine short seat tube lengths with mega seatpost insertion to help get your saddle completely out of the way.

Tyre Clearance

Ample clearance for mud and tyres up to 2.6" width.

User Friendly Cable Routing

To simplify maintenance and keep yur bike noise free, the rear derailleur cable is routed through guide tubes in the front triangle and chainstay.

Threaded BB

A standard 73mm threaded bottom bracket shell makes crankset maintenance hassle-free and prevents unwanted press-fit BB related moises.

Press-in Headset

Our ZS44/ZS56 press in headset gives you the freedom to use angle adjust headsets if you feel the need to make your bike a touch slacker or a touch steeper.

Angleset headset does not come with framesets or complete bikes.

Water Bottle Compatibility

We keep your water bottle clean inside the front triangle so you can keep hydrated without worrying about mud making it to your mouth.

Speed Balanced Geometry

SBG ensures the bike maintains low speed agility, front wheel traction, and proper rider weight balance while actually increasing confidence in steep terrain and at high speeds. With SBG, a slacker head tube angle is combined with a all new reduced offset fork standard, preventing the front wheel from being too far in front of the rider. This improves front to rear weight distribution on the bike, which is often out of balance on long and slack bikes. One of SBG's greatest benefits is that it creates a confident steering feel that adapts to wheel speed. More stability when going fast, more agility on technical slow speed maneuvering as well as improved traction, control and confidence for any skill level of rider.

Sentinel Geometry

SMMDLGXLXXL
A. Reach420mm450mm476mm501mm521mm
B. Stack613mm622mm631mm640mm649mm
C. Effective Tt Length552mm585mm613mm641mm665mm
D. Seat Tube Length350mm390mm430mm460mm490mm
E. Effective St Angle78.2°77.5°76.9°76.4°76.0°
Saddle Height For Effective ST Angle600mm660mm720mm780mm820mm
Actual ST Angle70.8°70.8°70.8°70.8°70.8°
Seat Tube Offset AT BB87mm87mm87mm87mm87mm
F. Head Tube Length100mm110mm120mm130mm140mm
G. Head Tube Angle63.6°63.6°63.6°63.6°63.6°
H. Chainstay Length440mm440mm440mm440mm440mm
I. Wheelbase1199mm1233mm1263mm1292mm1316mm
J. Bottom Bracket Drop29mm29mm29mm29mm29mm
K. Estimated BB Height346mm346mm346mm347mm347mm
L. Stand Over Height671mm688mm700mm712mm722mm
M. Fork Offset43mm43mm43mm43mm43mm

GiddyUp Suspension Design

We want to make it as easy as possible to experience great rear suspension performance. The GiddyUp suspension system is designed to behave intuitively across a broad range of setup. Because, we get it, sometimes you just want to grab your bike and GiddyUp, without checking your setup. When you do, it will always feel good.

We did this by balancing a 24% progressive leverage curve with a consistent linear rate of change. Anti-squat is tuned to enhance pedaling performance and acceleration. Overall chain growth is moderate and reduces after sag so chain tension doesn't get in the way of the suspension working.

This translates to killer small bump compliance and great mid-stroke support that gradually transitions into an end of stroke ramp that is subtle, yet supportive. The amount of consistent progression is carefully optimized for both air and coil shocks. Riders are able to add or remove volume spacers in air shocks to suite their individual riding style and there is no compromise to bottom out support with coil shocks. The Sentinel has 150mm of rear wheel travel when used with the supplied 205mm x 62.5mm stroke shock. It is also possible to install a shorter, 205mm x 57.5mm stroke shock, to decrease the rear wheel travel to 140mm.

A wide usable sag range of 25 - 35% allows the rider to tune the feel of the bike; from poppy and playful, to planted for plowing. Wherever you end up, you can focus on the trail without remotes, levers or knobs. Just grab your bike and GiddyUp.

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