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TMS EVO6 20R bike trials frame, from French specialized brand TMS. Manufactured under the highest quality standards, with exclusive design and multiple improvements:
· New rear brake mount, CNC-machined from one piece and integrated with the left dropout.
· New chain tensioner mount, now stiffer and stronger.
· New finish, with two versions: brushed aluminium or gloss blue.
Description and materials
- TMS EVO6 20R 20" bike trials frame.
- Exclusive design by TMS, with optimized curvature main tubes that improve overall stiffness, strength and performance.
- The TMS EVO6 20R features the following updates:
· New rear brake mount, integrated with the left dropout in a single, CNC-machined piece.
· New sprung tensioner mounts, now stiffer and stronger.
· New graphics, with two versions available: brushed silver or gloss dark blue.
- Made from 6065-T6 aluminium alloy, for the perfect balance between low weight and high strength.
- Features a tapered headtube, for 1 1/8" – 1,5" tapered headsets.
- The headtube has two large holes that remove unnecessary material.
- The main tubes are joined to the head tube via a reinforcement weld and bottom gussets, increasing the front end’s stiffness.
- Threaded 68mm wide BB tube, with mini-bashplate mounts.
- The seat stays are joined to the top tube with a reinforcement tube, similar to a brake booster, that increases rear end’s stiffness.
- Integrated 160mm Post Mount disc brake mounts on the left dropout, CNC-machined in one piece and designed to ensure top strength and durability.
- Features vertical dropouts and uses a double-wheel sprung tensioner (not included with the frame). Thank to this system, the wheel is always placed in the exact same position.
- With the double-wheel tensioner, you can adjust the chain tension directly and instantly, without needing to loosen the hub bolts or moving the wheel.
- The inside of the dropouts have large machined pockets that remove unnecessary material to help save some weight.
- The right dropout has an insert for the chain tensioner, which is kept in place with an slave bolt.
- Note: it does not include a headset, bashplate or chain tensioner, available separately.
The 7 Compatibility Keys
Below you can find the main details you need to consider when installing different components on this frame:
- 1) Headset. Since the headtube on this frame is tapered, with 1 1/8" top and 1,5" bottom diameters, it’s compatible with 1 1/8" – 1,5" tapered forks. If you’d like to use a standard 1 1/8" diameter fork, you can install an adaptor for the bottom cup.
- 2) Bashplate. This frame has 4-bolt bashplate mounts on the bottom bracket shell. Due to the spacing between mounts, it’s compatible with the Clean and similar bashplates.
- 3) Bottom Bracket. A threaded BB with standard 1.37"x24tpi thread must be used, therefore any traditional or BB30 threaded BBs can be used (Try-All, Hashtagg, Bonz, etc.).
In order to prevent the cranks from rubbing the seat stays, which may happen due to varying crank offsets for each model, it’s recommended to install a 127,5mm or 128mm wide bottom bracket.
- 4) Rear Brake. This frame has Post Mount rear disc brake mounts, so be sure to use a rear brake of that type. Post Mount brake calipers sit onto the brake mounts, instead of sideways (as is the case on IS calipers).
- 5) Chain tensioner. This frame requires a double-wheel sprung chain tensioner, so there is no need for snail cams nor any other tensioners. It is compatible with Clean, Crewkerz and similar chain tensioners.
- 6) Rear hub. Since this frame features double-wheel chain tensioner mounts, a 116mm wide rear hub must be used. In case you’d like to install a rear hub with 110mm spacing (common in most 20" bikes that use snail cams), then you must add 3mm spacers to each side of the hub, in order to result in the total of 116mm this frame requires.
Also, since this frame only has disc brake mounts, the rear hub must feature disc brake mounts too.
- 7) Fork. The steerer tube on your fork must be long enough so that at least 2mm of it remain above the top bolt of your stem’s steerer tube clamp.
To ensure this, you must add the length of the headtube (125mm for this frame), plus the cups bits that sit outside the headtube, plus the headset spacers (if any) and/or dust cover sitting under the stem, plus the length of your stem’s steerer tube clamp. Once you’ve done this, you’ll be ready to know if your fork is long enough so that at least 2mm of it remain above the top bolt of your stem’s steerer tube clamp.
Geometry (measured with a 370mm x 40º fork)
- Space between dropouts: 116mm
- Bottom bracket shell: 68mm
- Head tube length: 125mm, 1 1/8" – 1,5" tapered
- Wheelbase: 1004mm
- Chainstay Length: 350mm
- BB Rise: +85mm
- Head Angle: 72º
Colour
- Two versions available:
· Silver (brushed finish), with TMS EVO6 graphics in black, white and red.
· Gloss dark blue, with TMS EVO6 graphics in black, white and red.
Weight
- 1.55kg
| BRAKE MOUNTS | Post Mount Disc |
| TYPE OF HEADSET | Tapered 1 1/8 - 1.5" |
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