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The Marin Tam 1 features a Series 4 Aluminum frame and 120mm of XC-tuned IsoTrac suspension. Equipped with an X-Fusion 130mm fork and 11-speed drivetrain.
The Marin Tam 1 features a Series 4 Aluminum frame and 120mm of XC-tuned IsoTrac suspension. Equipped with an X-Fusion 130mm fork and 11-speed drivetrain.
Marin

2026 Marin Tam 1 Bike in Black Grey

£1,899.00
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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
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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.

Returns policy

Please read and fully understand this policy before returning goods to us. With exception of Warranty Claims, Faulty or Damaged goods (See terms below), we can only accept a return on an item if it is completely unused and in its original condition.

  1. Please pack the item carefully in its original packaging.
  2. Submit a returns form using the retuns form at the bottom of the page.
  3. Fully complete the returns slip and include it in the package.
  4. Send the parcel on a through postal/courier service to the returns address.

Returns Address

Bike Bros. Returns
23-25 Woodbridge Hill
Guildford, Surrey
GU2 9AA

Returns & Exchanges Policy Summary

We offer a 30 day returns period from the date of receipt.

Distance Selling
In addition to our Returns Policy, under the Consumer Contracts Regulations, you have the right to cancel your order up to 14 days from the day you receive your goods if 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 the goods.

Faulty Goods:
Under the Consumer Rights Act 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).

It is your responsibility to ensure that the item is returned to us in a safe and secure manner, we suggest that you use a recorded postal/courier service. Please ensure that the service you use covers the value of the goods in the parcel.

We are unable to accept returns where the goods or packaging has been used, lost, damaged or is otherwise not in the condition you received it in. Bikes must be returned in a securely packaged bike box.

If you would like us to arrange a collection via courier, then we can do so at a cost of £50. Should you fail to be present for an arranged collection, you will be charged £20 to rebook.

We will refund up to £10 for private postage of faulty or damaged items.

If you would like to exchange an item, we will happily send out a replacement product once the original has been returned.

Refunds will be made to the original payment method - this may take up to 10 days to appear depending on the method of payment. Initial shipping costs are non-refundable.

We are unable to offer a refund without proof of purchase.

We cannot accept returns without a completed returns form.

Signing for delivery receipt of items that have clearly been damaged by the courier is the responsibility of the receiver.

Items that are damaged during a return as a result of inadequate packaging will be declined and returned to you, or charged for.

Several types of goods are exempt from being returned. Perishable goods 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
* Downloadable software products
* Some health and personal care items

Faulty Goods and Warranties

If the item that has been received is faulty, damaged, or not as described then we will cover the cost of return postage (up to £10) and offer a refund or exchange. In these instances, we would always recommend using our own shipping services.

Important information to note about returning faulty, damaged, or not as described items:

Bike Bros. issue no warranties, all warranties are issued by manufacturers. For this reason, we may need to send your goods to the manufacturer for inspection before taking any action. Please see the relevant manufacturer's website for full warranty information.

Only products that are faulty, damaged or not as described by us are eligible for returns/exchanges. If damage has been caused through wear and tear, improper care, or some other factor beyond our control then it will not be covered.

Once a faulty item has been used, or if the packaging has been damaged it can still be returned to us, however we - and the manufacturer - reserve the right to offer a repair, replacement, or partial refund.

Remember it is your responsibility to ensure that returned items are packaged appropriately - any damage caused in transit [as a result of inadequate packaging] will be chargeable.

We cannot accept any cycle warranty claim or return for incorrect pedal fitment or damage to crank arms caused by incorrect pedal fitment.

If the wheels on the bike you've ordered become untrue through use, or the gears need readjustment after initial use, this unfortunately not covered under warranty. Every new bike requires a 4-6 weeks check up, this is provided by us free of charge, provided the bike is dropped off and booked in the workshop with us.

Please read and fully understand this policy before returning goods to us. With exception of Warranty Claims, Faulty or Damaged goods (See terms below), we can only accept a return on an item if it is completely unused and in its original condition.

  1. Please pack the item carefully in its original packaging.
  2. Download and Print the returns slip.
  3. Fully complete the returns slip and include it in the package.
  4. Send the parcel on a through postal/courier service to the returns address.

Returns Address

Bike Bros. Returns
23-25 Woodbridge Hill
Guildford, Surrey
GU2 9AA

Returns & Exchanges Policy Summary

We offer a 30 day returns period from the date of receipt.

It is your responsibility to ensure that the item is returned to us in a safe and secure manner, we suggest that you use a recorded postal/courier service. Please ensure that the service you use covers the value of the goods in the parcel.

We are unable to accept returns where the goods or packaging has been used, lost, damaged or is otherwise not in the condition you received it in. Bikes must be returned in a securely packaged bike box.

If you would like us to arrange a collection via courier, then we can do so at a cost of £50. Should you fail to be present for an arranged collection, you will be charged £20 to rebook.

We will refund up to £10 for private postage of faulty or damaged items.

If you would like to exchange an item, we will happily send out a replacement product once the original has been returned.

Refunds will be made to the original payment method - this may take up to 10 days to appear depending on the method of payment. Initial shipping costs are non-refundable.

We are unable to offer a refund without proof of purchase.

We cannot accept returns without a completed returns form.

Signing for delivery receipt of items that have clearly been damaged by the courier is the responsibility of the receiver.

Items that are damaged during a return as a result of inadequate packaging will be declined and returned to you, or charged for.

Several types of goods are exempt from being returned. Perishable goods 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
* Downloadable software products
* Some health and personal care items


Faulty Goods and Warranties

If the item that has been received is faulty, damaged, or not as described then we will cover the cost of return postage (up to £10) and offer a refund or exchange. In these instances, we would always recommend using our own shipping services.

Important information to note about returning faulty, damaged, or not as described items:

Bike Bros. issue no warranties, all warranties are issued by manufacturers. For this reason, we may need to send your goods to the manufacturer for inspection before taking any action. Please see the relevant manufacturer's website for full warranty information.

Only products that are faulty, damaged or not as described by us are eligible for returns/exchanges. If damage has been caused through wear and tear, improper care, or some other factor beyond our control then it will not be covered.

Once a faulty item has been used, or if the packaging has been damaged it can still be returned to us, however we - and the manufacturer - reserve the right to offer a repair, replacement, or partial refund.

Remember it is your responsibility to ensure that returned items are packaged appropriately - any damage caused in transit [as a result of inadequate packaging] will be chargeable.

We cannot accept any cycle warranty claim or return for incorrect pedal fitment or damage to crank arms caused by incorrect pedal fitment.

If the wheels on the bike you've ordered become untrue through use, or the gears need readjustment after initial use, this unfortunately not covered under warranty. Every new bike requires a 4-6 weeks check up, this is provided by us free of charge, provided the bike is dropped off and booked in the workshop with us.

2026 Marin Tam 1 Bike in Black Grey

Season:2026

Brand:Marin

Code:7415280BLK

Fun shouldn't cost a fortune. The Marin Tam 1's high-tech Series 4 Aluminum frame and 120mm of XC-tuned IsoTrac suspension rip through rough terrain.

X-Fusion's lightweight 130mm travel XC Rezza fork is paired with the Rezza shock and a Manic LC dropper seat post. MicroSHIFT's fast-shifting and weight-saving Advent MX 11-speed drivetrain keeps the pedals turning. The tubeless-ready Delium Fast tires roll rapidly, providing speed. The Tam uses bump-smoothing 120mm IsoTrac flexstay suspension, developed to keep riders smiling and ripping on the trails. The flexstay delivers less complexity, less weight, and less maintenance without impacting performance.

Every Tam has room for two bottles inside the front triangle, with bottle bosses that double as accessory mounts for tools or a pump. The bike features a trail-dominating 65-degree head angle and a 76-degree seat tube angle. 29-inch wheels pair with 435mm chainstays. Cables route internally via weather-sealed and ride-hushing ports, and the main pivot includes a mudguard to protect bearings. Maintenance is simplified with a BSA bottom bracket, Universal Derailleur Hanger, and Boost axle spacing.

Features:

  • Series 4 Aluminum frame
  • 120mm IsoTrac flexstay suspension
  • X-Fusion 130mm travel XC Rezza fork and Rezza shock
  • MicroSHIFT Advent MX 11-speed drivetrain
  • Manic LC dropper seat post
  • Tubeless-ready Delium Fast tires
  • 65-degree head angle and 76-degree seat tube angle
  • Internal cable routing with weather-sealed ports
  • BSA bottom bracket, Universal Derailleur Hanger, and Boost axle spacing
Technical Information
  • Frame
    Series 4 aluminium, 29" wheels, 120mm IsoTrac suspension, internal cable routing, 160mm DM, 148x12mm Boost thru-axle, 73mm BB shell, ISCG 05 tabs
  • Front suspension
    X-Fusion Rezza, 130mm travel, Fine-Cut Damper RCP 3-Pos, 110x15mm bolt-on axle, 44mm axle
  • Rear suspension
    X-Fusion Rezza, RLX 3-Pos compression adjust, 190x45mm, 30x8M hardware, B-Tune
  • Rim
    Marin aluminium double wall, 29mm inner, sleeved joint, disc specific, 28H, tubeless compatible
  • Hub rear
    Novatech, 148x12, 6-bolt, HG driver, 28H
  • Hub front
    Novatech, 110x15mm, 6-bolt disc, 28H
  • Spokes
    14g black stainless steel
  • Tires
    Delium Fast, 29x24", light construction, dual compound, tubeless ready
  • Derailleur rear
    microSHIFT Advent MX, RD-M7005M, 11-speed
  • Shift lever
    microSHIFT Advent MX, SL-M7115-R, 11-speed
  • Crankset
    Marin forged alloy, integrated steel 32T narrow wide chainring, 170mm crank length, boost spacing
  • Bottom bracket
    External sealed cartridge bearing
  • Chain
    KMC X-11 silver and black
  • Cassette
    microSHIFT Advent CS-H114, 11-50T, 11-speed
  • Brakes front
    Tektro HD-M535 hydraulic disc, 180mm rotor
  • Brakes rear
    Tektro HD-M535 hydraulic disc, 180mm rotor
  • Brake levers
    Tektro HD-M535
  • Handlebar
    Marin Mini-Riser, 6061 double butted aluminium, 780mm width, 20mm rise, 6º up, 9º back
  • Stem
    Marin 3D forged alloy, 45mm
  • Grips
    Marin Grizzly lock-on
  • Headset
    FSA No 57E, semi-sealed cartridge bearings, 1 1/8" x 1 1/2"
  • Seatpost
    X-Fusion Manic LC dropper post, adjustable travel, 1X remote MMX clamp, 30.9mm diameter, S: 150mm, M: 170mm, L-XL: 200mm
  • Saddle
    Marin Speed Concept
  • Head angle
    65-degree
  • Seat tube angle
    76-degree
  • Chainstay length
    435mm
Sizing Information

Geometry Diagram


Geometry S M L XL
Stack (mm) 593.8 603 612 621
Reach (mm) 425 455 480 510
Headtube angle (°) 65 65 65 65
Headtube length (mm) 90 100 110 120
Seattube length (mm) 400 410 450 500
Seattube angle (°) 76 76 76 76
Toptube effective (mm) 562.7 595.7 623.7 656.7
Bb height (mm) 333 333 333 333
Bb drop (mm) 38 38 38 38
Chainstay (mm) 435 435 435 435
Wheelbase (mm) 1166 1200 1229.6 1263.7
Standover height (mm) 594 595 719 744
Fork offset (mm) 44 44 44 44
Seatpost diameter (mm) 30.9 30.9 30.9 30.9
Handlebar width (mm) 780 780 780 780
Stem length (mm) 55 55 55 55
Crank length (mm) 170 170 170 170

Dropper Seatpost Travel

Size Travel (mm)
S 150
M 170
L 200
XL 200
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