Obsidian Monolith 30T
Sprocket · Signature line · Obsidian
The Obsidian Monolith 30T is a modern sprocket from the Signature line. Fitted to the stock bike on its own, it changes Speed by −2%, and weighs 20 g more than the stock sprocket.
Riding
How traits workAgainst the stock bike with only this part swapped, worked out from its real specs. A whole build is worked out together, so parts don’t simply add up; weight counts.
| SpeedAcceleration and top speed | −2% | ||
|---|---|---|---|
| PopHop height | 0% | ||
| GripTire traction | 0% | ||
| ControlBraking and steering | 0% |
Measured effects what these mean
| Acceleration | −4.5% | ||
|---|---|---|---|
| Sprint speed | +2.0% | ||
| Hop | — | ||
| Grip | — | ||
| Rolling resistance lower is better | — | ||
| Braking | — | ||
| Steering | — |
Specs
| Material | CNC 7075 aluminium |
|---|---|
| Type | Disc |
| Retail price | $55 a comparable real part |
| Teeth | 30T |
Construction
- Engraved solid disc
How to get it
Reach level 49, then buy it for 100 credits in the BMX shop, Parts › Sprocket. Once it’s yours it stays usable whatever its level.
Finishes
Painted in the shop’s Paint tab; 52 finishes fit. Cosmetic. All metal finishes.
Starter
- Gloss Blackstarter
- ED Blackstarter
- Flat Blackstarter
- Gloss Whitestarter
- Black Anodisedstarter
- Polishedstarter
By level
- Raw + Clearlevel 2
- Fire Redlevel 2
- Pacific Bluelevel 2
- Show Chromelevel 4
- Bonelevel 4
- Army Greenlevel 7
- Safety Orangelevel 7
- Teallevel 10
- Mintlevel 10
- Red Anodisedlevel 10
- Blue Anodisedlevel 10
- Trans Bluelevel 12
- Trans Redlevel 12
- Burgundylevel 16
- Hot Pinklevel 19
- Lavenderlevel 19
- Trans Purplelevel 22
- Trans Greenlevel 22
- Neon Yellowlevel 26
- Gold Anodisedlevel 29
- Trans Goldlevel 33
- Oil Slickfactory
- Chameleon Fliplevel 57
- Rider-Aged Rustlevel 66
Prestige
- Carbon Weavelevel 78
- Raw Titaniumlevel 82
- Black Chromelevel 86
- Candy Applelevel 88
- Ultravioletlevel 92
- Pearl Whitelevel 95
- 24K Chromelevel 100
Earn-only (15)
- Founder TealStarter pack
- Trick Book GoldFill the Trick Book
- Holo FlipFill the Trick Book
- Podium GoldWin in rooms
- Race SilverWin in rooms
- Platinum FlakeWin Platinum medals
- AuroraEvery 28th check-in
- EmberEvery 28th check-in
- GlacierEvery 28th check-in
- Sunset FadeEvery 28th check-in
- ToxicEvery 28th check-in
- StormEvery 28th check-in
- Veteran BronzeReach its level
- Elite PlasmaReach its level
- Legend GoldReach its level
Other sprockets
All sprockets| Part | Line | Level | Price | Speed | Pop | Grip | Control |
|---|---|---|---|---|---|---|---|
 Parallax Race 41TParallax · Race line |
Race | 33 | 105 | −6% | · | · | · |
 Torque Star 44TTorque · Old School line |
Old School | 29 | 80 | −7% | · | · | · |
 Vortex Chrome Disc 44TVortex · Old School line |
Old School | 22 | 60 | −7% | · | · | · |
 Knotted Star 28TKnotted · Pro line |
Pro | 19 | 90 | −1% | · | · | · |
 Primal Shark 36TPrimal · Mid School line |
Mid School | 19 | 60 | −4% | · | · | · |
 Obsidian Five 25TObsidian · Pro line |
Pro | 10 | 80 | · | · | · | · |
More from Obsidian
ObsidianObsidian Slab Front Load, Obsidian Column 19, Obsidian Column 22, Obsidian Pocket Stem, Obsidian Monolith Fork, Obsidian Monolith