Tallboy LTc / 29er Trail / All Mountain

  • Frame Only Fox Float CTD : £2,599
  • Complete Bikes From : £4,499
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  • Available Shock Upgrades
    Fox Float CTD Adjust Kashima + £220.00

We waved the carbon fiber wand at the new Tallboy LT, offering all the same features, and ended up with a frame that weighs 5.35 pounds with a shock bolted in there. That is not a typo. 135mm travel, VPP® suspension, great big wheels, 142*12mm rear axle, ISCG05 mounts, plenty of beef where it counts, and the damn thing only weighs 5.35 pounds (this is worth repeating). That's obscenely light for this type of bike. In spite of the feathery weight, this is still an aggressive all-mountain contender, and as such is stiff enough and strong enough to devour anything you throw at it without so much as a twitch.

Frame Features

  • 29" wheels
  • Light, strong, carbon fiber frame
  • VPP® suspension
  • 135mm travel
  • 142*12 rear axle
  • Dropper post friendly cable routing
  • ISCG05 mount
  • Grease ports, angular contact bearings

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Tech Data

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Reviews

Geometry

Frame Geometry Measurement Diagram
Tallboy Alloy Geometry
Based on 548mm axle-to-crown, 13mm HS stack
Frame SizeTop Tube Length*Seat Tube LengthHead Tube AngleSeat Tube AngleBB HeightWheelbaseHead Tube LengthChainstay LengthStandover HeightReachStack
Medium 23.1" 17.7" 69.4° 72.6° 13.5" 43.8" 3.9" 17.7" 28.8" 15.3" 24.8"
Large 24.1" 19.5" 69.4° 72.6° 13.5" 44.8" 3.9" 17.7" 29.4" 16.3" 24.8"
X-Large 25.1" 21.0" 69.4° 72.6° 13.5" 45.9" 4.3" 17.7" 30.4" 17.2" 25.2"
XX-Large 25.9" 22.5" 69.4° 72.6° 13.5" 46.6" 4.7" 17.7" 31.3" 18.0" 25.6"

* Effective top tube
** Seat Tube length measured from center of BB to top of seat tube

Size Guide

Size Chart

Complete Bikes

All upgrade prices are relative to the standard component price.

Stock Colours:

Build Kit:

Shock:

Fork:

Note: 15mm forks are not compatible with D build kits.

Additional Upgrades

Cost:

approx weight: 2351

note: weights are approximate

273

Can I mount a chainguide to my bike?

Yes, this bike has been designed with ISCG-05 chainguide mounting tabs. We have had great luck with the E13 LG1 Tr, MRP Lopes guide or Mini G3. For dual ring guides, try the E13 TRS+Dual or MRP 2x guides. These should fit with minimal or no modification.

Can I use a dropper post on this bike?

Yes, we have included routing for remote-actuated telescoping seatposts on the frame. Some newer frames also have internal routing for "stealth" posts.

It looks like the lower link is off center in my frame- is everything ok?

Yes- this is correct. With our newer pivot system, the pivot axle draws the link over to one side in order to properly preload the bearings. This offset is accounted for in the frame design so everything ends up nice and straight in the end.

Should I grease the headset cups when I install them?

Yes, we recommend this. Do not use the Carbon Assembly Compound on the headset, as it will make it more difficult to remove from the frame.

What fork sizes are recommended?

The Tallboy LT is designed for a 130-150mm fork. We spec 140mm, which we feel balances the bike the best.

What is the torque spec for the front derailleur?

Torque the front derailleur to 45 in/lbs.

What is the torque spec for the seat collar?

We don't provide a torque spec for the seatpost, because it really depends on what seatpost you are using. Some seatposts are slippery, and require more torque to stay put, and others are very thin- and can be crushed by overzealous tightening. Some are both slippery and thin... Make sure you use the Carbon Assembly Compound included with your frame, and use some common sense.

You will not damage your frame by overtightening the seat collar, assuming you have a 30.9mm seatpost in it.

What kind of front derailleur do I need?

This bike uses a 34.9mm Bottom Swing (high clamp), Top Pull front derailleur.

What kind of headset does this bike use?

We use a headset generally referred to as "mixed tapered". This is a 44mm internal upper cup, with an external 49mm lower cup. The SHIS name is ZS44/28.6 EC49/40.

What kind of rear brake adaptor do I need?

This frame uses a standard IS rear brake mount. Just pick your rotor size and order the correct adaptor to go from IS to post mount (all modern brakes).

What q-factor should I use for the cranks?

On any crank with optional Q-factor, choose the wider version.  166 for Sram XX, or 168 for XX1.  For Shimano doubles, we recommend the M980.  

What size bottom bracket shell does this bike use?

We use a standard 73mm threaded BB. Nearly any crank on the market (besides BB30 cranks) will fit.

What size hub do I need?

This bike uses a 142x12 through-axle rear hub, and includes a DT RWS axle.

What size seat post does this frame use?

30.9"

What size seatpost do I need?

We use a 30.9mm seatpost. Always ensure it is inserted into the frame a minimum of 100mm (4").

What size shock does it use?

This bike uses a 200x51mm shock with 22x8mm eyelet hardware (21.8mm x 8mm for SRAM). Please do not use any other shock size or modify with eccentric shock bushings- this can cause damage or clearance issues with the frame.

Why does this frame use a standard thread-in bottom bracket, when many of your competitors use press-in style (BB30, Pressfit 30, BB90, BB92, BB86)

It is true that there are some slight weight savings available with the various pressfit bb designs (exact weight savings obviously vary depending on system, frame manufacturing techniques, and crank model), but we don't feel this small savings make up for the inconveniences. We are still able to make a frame that is lighter than most of our competitors, while still using a heavier bb system. There are a number of disadvantages that exist with press fit systems:

1) Special installation and removal tools are required for these parts, including a headset press. This is not convenient for most home mechanics, and they are quite expensive. Traditional external BB's can be installed or removed with a simple $10 hand tool.

2) "Permanently installed cups". Shimano doesn't recommend removing and re-installing their press in bb cups (as they may become damaged), so moving parts from bike to bike is no longer an option. http://techdocs.shimano.com/media/techdocs/content/cycle/SI/SI_0053A_001...

3) Creaking or shifting bb's can be common with these systems. Since the bearing is pressed into a cup, which is then pressed into the frame- it can be hard to get all of the press fits snug- without being too tight on the bearing or too loose in the frame.

4) Reasonable tube sizes. One of the most commonly claimed advantages of a larger bb shell is the larger diameter downtube that goes with it. This may be an advantage on road bikes, where tubes can be incredibly thin and large for optimal stiffness. On a mountain bike, this area of the frame sees a lot of abuse from rocks and crashing, and needs to have a certain amount of wall thickness to survive actual use. Using what we consider a "safe" wall thickness and carbon layup, and a fairly typical tube diameter, we get an exceedingly stiff, light, durable product. If we used a larger downtube, we would either have a heavier frame (same wall thickness but larger diameter), or a less durable product (thinner walls and larger diameter).

5) Chain clearance. Take a look at some of our competitors frames with press in bb shells. The down tube comes so close to the chainrings that many frames have chainsuck guards on the downtube! In our mind, the chain should be able to fall off on a mountain bike and not get jammed between your crank and thin-walled carbon downtube.

6) Backwards compatibility: Many of our customers purchase a frame and build it up with their choice of parts, or parts from an old bike. By using a standard bb, we are compatible with everything without requiring confusing adaptors.

7) Chainguide compatibility: While it may seem strange to talk about putting chainguides on a short travel bike, it is becoming more common now with 10 speed drivetrains. Thread in bb's mean the frame is compatible with bb mount chainguides. We like versatility....