specialized giant cube cannondale Mavic Castelli endura altura

Marin B-17 1 27.5+ Mountain Bike 2019 - Trail Full Suspension MTB

Marin B-17 1 27.5+ Mountain Bike 2019 - Trail Full Suspension MTB

Out of Stock Sorry, you missed it. But you still have options...

Recommended alternatives We've found some items that may interest you...

Top Rated

Best Deals

New in Full Suspension MTB

Archive Product Details Comparing? Here's the info from the out of stock item

Product Description

The MTB trails are calling you. The Marin B-17 1 is a full sus mountain bike that rolls on plus sized tyres for a smoother ride on rough terrain.

Marin’s Series 4 6061 aluminium frame is lightweight and features MultiTrac suspension for smooth riding on 27.5+ wheels. The RockShox Deluxe R shock controls the 120mm travel to take on rough trails. Boost spacing is found front and rear, with 15x110mm front and 12x148mm rear spacing. This helps add stiffness to the frame and fork, while also allowing for space for the tyres and keeping the chainstays short. Internal cable routing and 29” wheel compatibility finish off this trail bike frame.

RockShox delivers smooth performance with the Recon Gold RL fork. It has 130mm travel with rebound adjustments and a Solo Air Spring, so different riders’ weights can be accounted for without having to change the spring.

The SRAM 1x11 speed NX drivetrain gives plenty of gear range to conquer the mountains, while the Shimano M315 hydraulic disc brakes deliver powerful speed control in all weather conditions.

The wide 2.8” Vee Tyre Crown Gem tyres allow for a greater amount of float on the trails, helping out the suspension travel to create a softer and more controllable ride. A TranzX Dropper post helps to get the seat out the way on the fun stuff going down.

Have a blast in the mountains aboard the Marin B-17 1.

Key Features:

  • Series 4 6061 aluminium frame with MultiTrac Suspension offering 120mm travel from RockShox Deluxe R shock
  • RockShox Recon Gold RL fork offers 130mm travel to control the front end
  • SRAM NX 1x11 speed drivetrain gives wide gearing options
  • Shimano M315 hydraulic disc brakes give power in all weather conditions
  • Wide 2.8” Vee Tyre Crown Gem tyres deliver extra float and control on the trail
  • TranzX Dropper post to make the best of every trail section.
  • Sizes: 15”, 17”, 19”, 20”
  • Colours: Gloss Black
  • The Marin B-17 1 is available with 0% APR finance

The B-17 combines our acclaimed 120mm MultiTrac rear suspension system with 27.5+ tires for an all-day, all-conditions trail bike ready for the unknown. The large volume tires allow for extra low tire pressure and unheard of grip and control in most every condition for an instant confidence boost at speed, and uncanny climbing abilities to conquer the next ridge. At nearly the same outside diameter as 29” tires, 27.5+ tires offer similar roll over capabilities, but with added float and an even larger tire to ground contact patch to help tame the trail.

The B-17 is our most capable MultiTrac bike, built for the all-day trail rider looking for a playful bike with maximum traction. Plus-sized tires are an instant confidence boost and traction upgrade, sticking to most everything and making it possible to climb and descend sketchy parts of trail that may have required hoofing it before.



The B-17 has a Series 3 6061 butted and hydroformed aluminium frame with 120mm travel MultiTrac suspension technology and large volume 27.5+ wheels.

27.5+ WHEELS

27.5+ tires roll fast, grip anything, and their wide high volume low pressure setup brings a new experience to trail riding. The B-17 is compatible with 29” wheels up to 2.5” for two rides in one frame.


MultiTrac is an acclaimed suspension system, fine-tuned to have a balanced ride capable of absorbing big hits with an efficient pedalling platform. The rocker link provides a progressive leverage ratio for the rear shock for small bump sensitivity and the feeling of a long travel system on large drops and rocks.


B-17 models come equipped with internally routed dropper posts, with internal rear derailleur routing for a clean look and snag free ride.


Boost front spacing is paired with a 148x12mm Boost rear thru-axle for frame and wheel strength, and future wheel upgrade compatibility.

    All Tredz bikes are:

    • Fully built & ready to ride
    • Fully checked & tested by Cytech qualified mechanics
    • Available with 0% APR finance on baskets over £99
    • UK price match
    • 365 day no hassle returns
    • Free delivery in the UK Mainland on a date that suits you

    In the box with every Tredz bike is:

    • Free Tredz 9 key trail tool
    • Free Tredz pedal spanner
    • Free basic pedals
    • Tredz drawstring kit bag
    • 16 point quality control check sheet
    • Basic bike setup instructions
    • Free Cycle Plan insurance voucher (8 weeks)

    Occasionally, without notice, manufacturers change product design and/or specifications.


    Frame:Series 3 6061 Aluminum Frame, 27.5+” Wheels, 120mm Travel MulitTrac Suspension Platform, Seatstay Mounted Post Mount Disc Brake, 148x12mm Thru-Axle **compatible with 29" wheels up to 2.5"
    Fork:RockShox Recon Gold RL 27.5+, 130mm Travel, Compression and Rebound Adjustment, Solo Air Spring, 110x15mm Maxle Stealth, 51mm Offset
    Rear Shock:RockShox Deluxe R Debonair, 210x50mm, Deboinar Air Sleeve, Rebound Adjustment
    Headset:FSA Orbit, Sealed Cartridge Bearings, 1 1/8" x 1 1/2”
    Stem:Marin 3D Forged Alloy
    Bars:Marin Mini-Riser, 6061 Double Butted Aluminum, 15mm rise, 780mm width, 4º up, 9º back
    Front Brake:Shimano BR-M315 Hydraulic Disc, 180mm Rotor
    Rear Brake:Shimano BR-M315 Hydraulic Disc, 180mm Rotor
    Rear Mech:SRAM NX 11-Speed
    Shifters:11 Speed SRAM NX
    Rims:Marin Aluminum Double Wall, 38mm Inner, Pinned Joint, Disc Specific, Tubeless Compatible
    Front Hub:Formula, 110x15mm, Centerlock Disc, 32H
    Rear Hub:Formula, 148x12mm, Quad Sealed Bearings, Centerlock Disc, 32H
    Spokes:14g Black Stainless Steel
    Front Tyre:Vee Tire, Crown Gem 27.5x2.8", Dual Control Compound, Folding Bead, Tubeless Ready Front
    Rear Tyre:Vee Tire, Crown Gem 27.5x2.8", Dual Control Compound, Folding Bead, Tubeless Ready Rear
    Seat Post:TranzX Dropper Post, YSP15 with 1x remote
    Saddle:Marin Speed Concept
    Chainset:FSA Comet, Modular 1x with 30T Direct Mount Chainring, MegaTooth Technology, Boost Spacing
    Bottom Bracket:External Sealed Cartridge Bearings
    Chain:KMC X-11 Extra Light
    Cassette:Sunrace 11-Speed, 11-42T
    Pedals:Not Included

    Marin B-17 1 27.5+ Mountain Bike 2019 - Trail Full Suspension MTB Reviews

    Write your own review
    Overall Rating:
    out of 5
    Build Quality
    Value For Money

    Customer Reviews (1)

    Mr Rideout

    Rode my mates b17 absolutely awesum on twisty trails felt like the bike was part of me. Smooth flowing great responsive love it.

    Rode my mates b17 absolutely awesum on twisty trails felt like the bike was part of me. Smooth flowing great responsive love it.

    Close review
    5 out of 5
    Build Quality: 5/5
    Performance: 5/5
    Value For Money: 5/5