The Rockstar is fast. It flies like the proverbial off a shovel. Sporting 100mm of fully active four-bar travel at the rear, and 29in wheels at both ends, the Rockstar is a traction engine. It grips, it grips and then it grips some more.
No matter what type of rider you are, no matter what sort of trail you're on, grip is vital. The Rockstar really lays it down. Scrabbly climbs? No problem. Rooty corners? Bring 'em on. Screaming descents? Yes please.
As well as being super grippy, the Rockstar has supreme stability. The designers haven't steepened up the head angle and created a bike that jack-knifes as soon as you show it a switchback. The head angle is a capable 70 degrees which, when paired with the super short tapered head tube and a suitably short-ish stem, will have you hurtling over, across and up technical terrain like there's no tomorrow.
Further adding to the Rockstar's stability is size-specific bottom bracket heights. No matter if you need the Small or the Large size frame, the BB height is tailored to the frame size. This means smaller riders won't feel overly lofty and taller riders won't feel overly wallowy below-the-axles. Rider-specific handling.
Similarly, on the Small frame size Rockstar the head angle is slightly slackened (to 69.5 degrees) so to avoid toe-overlap.
It's neat touches like this that reveal Titus' experience with 29ers. It's what gives Titus the edge.
The top tube is nicely rangy which gives the rider lots of manouverability and breathing space. It's a great place to be for all-day adventures. The seat angle is 73 degrees which, combined with the short-as-possible chain stays, gives the Rockstar an extremely efficient stance for climbing.
The front triangle is made from hydroformed aluminium. Aluminium is the best material for this front triangle. The swoops and curves not only look great but they're there to strengthen and stiffen up the frame in specific areas. The dipped top tube also gives the Rockstar immense standover clearance. The tapered head tube keeps things stout and its short length keeps the cockpit handling nicely low-slung and accurate.
The rear swing arm is carbon fibre. The nature of the Rockstar's rear swing arm means that carbon fibre is the sensible choice for its construction. This swing arm just couldn't be made from aluminium without accruing excessive weight in an unsprung part of the bike that is best kept as light as possible. Full carbon dropout and carbon yoke keep the rear end light and responsive. S-bend shaping for enhanced heel clearance. There's a neat integrated, stainless steel chain suck shield.
The rocker linkage has been reworked from the previous Rockstar. It's now even stiffer but sleeker. The RockShox Monarch RT3 is an amazing off-the-shelf rear shock but Titus still spent the time and effort to liaise with RockShox to come up with a custom-tuned version. It's this custom shock that is now fitted to all Rockstar frames.
|Frame Material||Aluminium Front triangle , carbon swingarm|
|Approx. Frame Weight (lbs)||6.7 ( frame with Monarch RT3 rear shock)|
|Seatpost Size (mm)||30.9|
|Seat Clamp Size (mm)||35|
|Front Mech Clamp Size (mm)||34.9|
|Front Mech Type||Top Clamp , Top Pull|
|Fork Travel||120mm MAX|
|Bottom Bracket shell||73mm, English threaded|
|Headset||44mm inset top cup with 1.5 inch external standard|
|A||Head Angle (°)||69.5||70||70|
|B||Head Tube Length (inches)||4||4.25||4.75|
|C||Top Tube Horizontal (inches)||23.25||24||24.75|
|D||Seat Angle (°)||73.5||73||73|
|E||Seat Tube Length (inches)||17.75||18.75||21.50|
|F||Chainstay Length (inches)||18||18||18|
|G||Standover Height (inches)||27.57||29.17||30.39|
|BB height (inches)||12.60||12.65||12.75|
|Rider Height||Inside Leg||Suggested Frame Size||Stem Length|
|5′6″ to 5′10″ (167-178cm)||28”-31” (71-79cm)||16” (S)||40-60mm|
|5′9″ to 6′1″ (175-185cm)|| |
|5′10" to 6′2″ (178-188cm)||32”-35” (81-89cm)||19.5” (L)||40-80mm|
|6′ to 6′5″ (183-196cm)||33”-38” (84-97cm)||21” (XL)||40-80mm|
All frame size recommendations are approximate. A good fit will also depend on the correct choice of stem length, correct bike set-up for the rider and riding style.
Correct frame size choice can also depend on a rider’s torso and limb length.
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