RC10 B7.1/B7.1D

Team Associated RC10 B7.1/B7.1D

Q&A, setups, gearing, kit settings, manual, and guides

Off-road•Buggy•1/10 scale•2WD

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Setups

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Jonathan
Jon Buggy
Track
Off The Walls RC
Indoor Carpet
High grip
Event
Practice
Oct 8, 2026
Jonathan
Amber Buggy
Track
Off The Walls RC
Indoor Carpet
High grip
Event
Practice
Oct 7, 2026
RC Zone PR
RC Zone
Track
Unknown Track
Indoor Carpet
High grip
Date
Oct 7, 2026
Ken Grace
Ken Grace
Serpent America
Trains and Lanes
1
Track
Trains And Lanes
Indoor Carpet
Medium grip
Event
Practice
Sep 22, 2026
Austin Riley
HOBBYWING
Summer 2026 sdrc
Track
SDRC Raceway
Indoor Clay
Low grip
Date
Jul 2, 2026
Lugasi
B7.1 rishpon Copy
Track
Rishpon
Outdoor Astroturf
Medium/Medium grip
Date
Mar 21, 2026
Joel D
So Dialed
Carpet Base
6
Track
Carpet
Indoor Carpet
Medium grip
Date
Feb 16, 2026
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Gearing

Stock gearing for the Team Associated RC10 B7.1/B7.1D, with common pinions and their ratios.

Stock spur
78T
Internal ratio
2.6:1
Typical pinion
≤6T ≈ 22T · 7.5–8.5T ≈ 22T · 17.5T ≈ 31T
Class medians on the stock spur. For your motor and track →
PinionSpur ÷ pinionFDR
18T4.3311.27
19T4.1110.67
20T3.9010.14
21T3.719.66
22T3.559.22
23T3.398.82
24T3.258.45
25T3.128.11
26T3.007.80
27T2.897.51
28T2.797.24
29T2.696.99
30T2.606.76
31T2.526.54
32T2.446.34

Shaded rows are the pinions most 1/10 2WD buggy setups run on the stock spur.

What pinion should I run?

Tell us your motor and track and get a starting pinion for the Team Associated RC10 B7.1/B7.1D, with the range racers in the class run.

Get a recommendation →Shop pinion gears at AMain →

What pinion gear should I use on the Team Associated RC10 B7.1/B7.1D?

It depends on your motor and the track. In the 1/10 2WD buggy class, racers gear by final drive ratio: 6T and below near 9.40, 7.5–8.5T near 9.22, 17.5T near 6.48. On the RC10 B7.1/B7.1D's stock 78T spur that is about 22T for 6T and below, 22T for 7.5–8.5T, 31T for 17.5T. Tight tracks gear down, open tracks gear up. For a starting pinion matched to your motor, use the So Dialed Pinion Recommender with the RC10 B7.1/B7.1D selected.

What is the internal ratio (transmission ratio) of the Team Associated RC10 B7.1/B7.1D?

The RC10 B7.1/B7.1D has an internal ratio of 2.6:1. Final drive ratio = spur ÷ pinion × 2.6. With the stock 78T spur, a 18T pinion gives an FDR of 11.27 and a 32T gives 6.34.

How many teeth is the stock spur gear on the Team Associated RC10 B7.1/B7.1D?

78 teeth. Changing the spur moves every pinion's ratio at once; most racers leave the spur and tune with the pinion.

Kit setup

Kit shock setup (Dirt). Part numbers link to AMain.

Shock oil
Front
30 wt
Rear
30 wt
Team Associated oil
Springs
Front
3.6lb Blue #91942 →
Rear
2.0lb Gray #91949 →
Pistons
Front
2.5mm 2x1.8mm holes #91934 →
Rear
2.5mm 2x1.9mm holes #92428 →

What shock oil does the Team Associated RC10 B7.1/B7.1D come with?

Out of the box the RC10 B7.1/B7.1D runs 30 wt front, 30 wt rear (Team Associated oil), on 2.5mm 2x1.8mm holes (#91934) front, 2.5mm 2x1.9mm holes (#92428) rear pistons. That is the kit setup; you will need to adjust it for your track conditions. The RC Setup App can help dial it in.

What springs does the Team Associated RC10 B7.1/B7.1D come with?

The kit springs are 3.6lb Blue (#91942) front, 2.0lb Gray (#91949) rear. Stiffer springs suit high grip and big jumps; softer springs add grip on slick or bumpy tracks.

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