2020 Merida MATTS J. vs 2019 Specialized Riprock 12 Coaster
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Specialized Riprock 12 Coaster
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
Only the Merida MATTS J. is drawn. The Specialized Riprock 12 Coaster numbers we have for size 6 are missing the reach, stack, chainstay length and wheelbase.
Geometry side by side
| Measurement | Merida MATTS J. 11.5" | Specialized Riprock 12 Coaster 6 | Difference |
|---|---|---|---|
| Reach | 345 | not listed | |
| Stack | 492 | not listed | |
| Head tube angle | 69 | 70° | +1.0° |
| Seat tube angle | 72 | 71° | −1.0° |
| Effective top tube | 505 | 350mm | −155 mm |
| Chainstay length | 410 | not listed | |
| Wheelbase | 999 | not listed | |
| BB drop | 29 | 11mm | −18 mm |
| Standover | not listed | not listed | |
| Seat tube length | 289 | not listed | |
| Fork length | 390 | not listed | |
| Head tube length | 120 | 80mm | −40 mm |
Differences are the Specialized Riprock 12 Coaster minus the Merida MATTS J.. Full charts: 2020 Merida MATTS J., 2019 Specialized Riprock 12 Coaster.
Where each sits in its class
Merida MATTS J.Specialized Riprock 12 Coaster
AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted
Each bike is ranked against the other kids bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Merida MATTS J.12 | Specialized Riprock 12 CoasterCoaster |
|---|---|---|
| Frame | Merida MATTS J. 12 | not listed |
| Cassette | KT | not listed |
| Chain | KMC S1 | KMC Z510 |
| Pedals | Wellgo LU-P17 | not listed |
| Tire | Inova IA-2603 | Specialized Rhythm Lite |
| Rim | Merida JR 12 | not listed |
| Handlebar | Merida JR | not listed |
| Stem | Merida JR | not listed |
| Headset | VP H721 | not listed |
| Saddle | Merida kid little | Specialized Kids' Henge |
| Grips | not listed | Specialized slip-on |
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