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Shaped by the demands of British riding, Syphon combines contemporary frame design, full weather-proofing, and carefully selected, proven components – delivering a quietly confident, highly capable high-value and reliable ride wherever the trail takes you – and through whatever conditions you ride through.
Shaped by the demands of British riding, Syphon combines contemporary frame design, full weather-proofing, and carefully selected, proven components – delivering a quietly confident, highly capable high-value and reliable ride wherever the trail takes you – and through whatever conditions you ride through.
Whyte Bikes

Whyte Syphon S Trail Mountain Bike

£2,199.00
Size Guide
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

Hassle free returns

© 2025 On Yer Bike Cycles Limited. Company No. 04508579. VAT No. 562602750.

RETURNS & REFUNDS

Thank you for shopping with us. We strive to provide you with the best products and service. If, for any reason, you are not completely satisfied with your purchase, we offer a returns and refunds policy subject to the following terms and conditions.


Returns Accepted

We accept returns within 30 days from the date of purchase.

To be eligible for a return, the item must be unused, in its original condition and, where applicable, in its original packaging.

Proof of purchase, such as an order number or receipt, is required for all returns.


Return Shipping

Customers are responsible for arranging and covering the cost of return shipping.

We recommend using a tracked shipping service to ensure that your returned item reaches us safely.


Restocking Fees

A 10% restocking fee will be applied to all returned bicycles and to all items that are returned but are not faulty.

This fee covers the costs associated with inspecting, repackaging and restocking the item for future sale.

Multiple returns of items, including clothing, will be subject to the 10% restocking fee.


Final Sale Items

Please note that final sale items are not eligible for return or refund.

Final sale items will be clearly marked as such on the relevant product page or during the checkout process.


Order Cancellation – Special Order Bikes

If you place an order for a bicycle that is not held in stock and must be specially ordered from a supplier on your behalf, the following cancellation terms apply:

If you choose to cancel the order before the bicycle has been shipped or delivered, a non-refundable fee of £200 will be retained.

This fee covers supplier ordering costs, administrative processing and associated handling charges incurred by us.

By placing such an order, you agree to these cancellation terms.


Refunds

Once your return has been received and inspected, we will send you an email notification confirming whether your refund has been approved or rejected.

If your return is approved, the refund will be processed to the original payment method used for the purchase.

Please allow a reasonable processing time for the refund to be reflected in your account, depending on your payment provider.


Damaged or Defective Items

In the event that you receive a damaged or defective item, please contact our customer support team within 48 hours of receiving the product.

We may require photographic evidence of the damage or defect to assist us in assessing the issue and facilitating the return process.


Delivered Bicycles

All bicycles shipped by us are inspected before being packaged.

Due to the nature of transporting bicycles in a box, some minor assembly will be required upon delivery. We recommend that any assembly and safety checks are carried out by a qualified or certified bicycle mechanic.

If a bicycle is not checked and assembled by a qualified mechanic, your warranty may not be valid.


Purchases Made Through Third Parties

Please note that this returns and refunds policy applies only to purchases made directly from our online store.

For products purchased through third-party retailers, finance providers, cycle-to-work schemes or other sales channels, the applicable return policies and procedures for that purchase may apply.


Policy Updates

We reserve the right to update or modify this returns and refunds policy at any time without prior notice. It is your responsibility to review and understand the terms and conditions outlined here before making a purchase.

If you have any questions or require assistance regarding returns or refunds, please contact our customer support team, and we will be happy to assist you.

Whyte Syphon S Trail Mountain Bike

Brand:Whyte Bikes

Code:SyphonSRawSILGLS

Be exceptional, everywhere
Confident, capable and ready for anything, Syphon S is built to help you ride better – and have more fun – on every trail. Progressive, proportionally-sized geometry and responsive suspension deliver exceptional grip, stability and control across rough terrain, steep descents and technical singletrack alike, keeping you composed when the trail gets demanding. Balanced handling inspires confidence at speed while efficient Quad-Link 4 suspension performance helps take the sting out of long climbs and big days in the saddle. With dependable components, weather-sealed durability and versatile 29in wheels, Syphon S is built to perform year-round — whether you’re chasing trail centre laps, technical descents or all-day mountain rides.

Highlights
– 140mm front + 135mm rear of Whyte custom-tuned suspension travel (RockShox Pike Base 29in fork + RockShox Deluxe Select RT rear shock).
– 6061 hydroformed T6 multi-butted alloy frame + geometry adjustment.
– Proportional sizing delivers perfect fit and uncompromised handling for every rider.
– Shimano Deore 1x12 transmission (30T chainring x 11-51T cassette).
– TRP EVO Comp four-piston hydraulic disc brakes (203mm front / 180mm rotor rear).
– Full-insertion dropper post (with frame size size-specific drop).
– 29er wheels front and rear (sizes M, L + XL) / MX/mixed/‘mullet’ wheels (size S) + Schwalbe Albert Radial tyres.

Ideal for...Trail and ‘down-country’ riders looking for the best all-round full-suspension performance wrapped up in a high value alloy package.

Technical Information

Specifications

COLOURRaw silver (gloss)CASSETTEShimano CSM6100, 10-51T, black, 12 speed
FRAME6061 Alloy, SCR Aluminium Front Triangle with Tapered Head Tube, ISCG 2 Guide Mounts, Alloy Symmetrical SCR Rear Triangle, Shape.it and 148mm Boost DropoutsCHAINKMC X12, 12 speed
FORKRockShox Pike Base 29in, 140mm travel, 44mm offset, DebonAir+, Rush RC damper, Fast Black coating, tapered steerer, 110mm x 15mm Boost, Maxle UltimateCRANKSETWhyte, forged two-piece cranks, direct mount, alloy 30T narrow/wide chainring, 165mm crank length (sizes M - XL,)/160mm crank length (size S), Boost, 12 speed, 55mm chainline
REAR SHOCKRockShox Deluxe Select RT, DebonAir, Fast Black coating, adjustable rebound, custom tuned for WhyteBOTTOM BRACKETBSA, cartridge bearings, 73mm
HEADSETZS44 upper, ZS56 lower headset cups, 1 1/18in upper and 1.5in lower with sealed bearingsSEATPOSTTranzX dropper post, 30.9mm, frame size specific drop (size S 150mm drop; sizes M-XL 170mm drop)
REAR HUBAlloy, double sealed cartridge bearings, 12mm x 148mm Boost thru axle, MicroSpline freehub, 32 holeSEATWhyte Custom
FRONT HUBAlloy, double sealed cartridge bearings, Centre Lock, 15mm x 110mm Boost thru axle, 31mm Torque Caps, 32 holeBARWhyte 6061 alloy, 31.8mm bar bore, 30mm rise, 780mm wide
SPOKESPillar 14G, black stainless, brass nipplesSTEMWhyte Gravity, 35mm extension, 31.8mm bar bore
RIMSWhyte Trail, pinned joint, tubeless ready, 32 hole, 30mm internal width; 29in front and rear (sizes M - XL), 29in front and 27.5in rear (size small)GRIPSWhyte Lock-on Enduro Grip
TYRESSchwalbe Albert Trail Radial 29 x 2.5in Trail casing, Super Soft (front); Schwalbe Albert Radial 29 x 2.5in (sizes M - XL), 27.5 x 2.5in Trail casing, Soft (size S) (rear)BRAKES FRONTTRP EVO Comp hydraulic disc brake, four piston, sintered metal pads, 203 x 2.3mm rotor
SHIFT LEVERSShimano M6100 Deore, I-Spec EV, 12 speedBRAKES REARTRP EVO Comp hydraulic disc brake, four piston, sintered metal pads, 180 x 2.3mm rotor
FRONT MECHN/ABRAKE LEVERSTRP EVO Comp, I-Spec EV
REAR MECHShimano M6100 Deore, SGS, Shadow Plus, 12 speedPEDALSFibre reinforced composite platform
WEIGHT
Sizing Information
FRAME SIZESmallMediumLargeExtra Large
A - REACH (mm)432460485510
B - STACK (mm)625.3634.1646.8659.5
C - HEAD ANGLE (° degrees)64.7/ 64.165/ 64.465/ 64.465/ 64.4
D - SEAT ANGLE (° degrees)77.677.67776.6
E - BB HEIGHT (mm)335338.5338.5338.5
F - WHEELBASE (mm)1186.41222.71263.61294.5
G - REAR CENTRE (mm)429435445455
H - STANDOVER HEIGHT (mm)753753753753
I - SEAT TUBE LENGTH (mm)375400425450
J - HEAD TUBE LENGTH (mm)114126140154
K - MAX SEATPOST INSERTION (mm)260285320355
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