One search, every shop.
21T
21T: 84 listings across 5 stores, 82 in stock from $3. 6 whole models and 76 parts and spares.
Fitted — bought and run by turboflex_rc · See every fitted part → · Prices that moved →
Key — what each store has
Price band per store, in stock and cheapest first, cheapest item named. These are matches for your words, not the same part priced twice.
Traxxas 2421 21-Tooth Pinion Gear (48-Pitch) 3 mm Bore
- 1RC Hobby Shopwww.rchobbyshop.com · 14 matches · 26 OCT 2026$3 – $24.95In stock — opens www.rchobbyshop.com in a new tab
Cheapest: Traxxas 2421 21-Tooth Pinion Gear (48-Pitch) 3 mm Bore
- 2Fair RCwww.fairrc.com · 4 matches · 25 OCT 2026$3.99 – $11.49In stock — opens www.fairrc.com in a new tab
Cheapest: 1:10 Canyon Transmission Gear 21T (Flat Hole)
- 3RCAWDrcawd.com · 11 matches · 25 OCT 2026$9.99 – $34.99In stock — opens rcawd.com in a new tab
Cheapest: RCAWD ARRMA GROM Motor Mount Set with M0.5 3.2 Bore 21T 22T 23T 24T 25T Pinion Gears — Only 22T Pinion Gear
- 4Fast RC Partswww.fastrcparts.com · 41 matches$11.75 – $29.99In stock — opens www.fastrcparts.com in a new tab
Cheapest: 21t 48p Hard Anodized Aluminum Pinion Gear 1/8 Inch Bore
- 5INJORAwww.injora.com · 14 matches · 25 OCT 2026$13.99 – $15.99In stock — opens www.injora.com in a new tab
Cheapest: INJORA 540 3-Slot Waterproof Brushed Motor 13T 21T 35T 45T 55T 80T for 1/10 RC Crawler — 540 Motor 35T
21T — same model, store by storecheapest in-stock whole model per store · cheapest first
- 1. INJORA · INJORA 550 3-SLOT Waterproof Brushed Motor 12T 21T 29T 35T 55Tfor 1/10 RC Crawler — 550 Motor 29T$14.99 — opens INJORA in a new tab
- 2. RCAWD · RCAWD Arrma 1/18 GROM Losi 1/12 Motor Gear 16T 17T 18T 19T 20T 21T 22T 40CrMo$34.99 — opens RCAWD in a new tab
Scanned, no match · JJRC Model
Schedule
51–84 of 84, ranked by stock then match quality
- 051
CNC T6 21T Savox (SH-0265MG) Servo Saver Grom MTFast RC PartsSKU GRM48SQ21T
$21.99 - 052
JConcepts - Silent Speed 550 21T brushed fixed end bell competitFast RC PartsSKU JCO5047
$26.99 - 053
Trailmaster Sport 550 Brushed Motor (21t)Fast RC PartsSKU HHB110100046
$29.99 - 054
RCAWD ARRMA GROM Motor Mount Set with M0.5 3.2 Bore 21T 22T 23T 24T 25T Pinion Gears — with Motor GearsRCAWDSKU D5-ARA-2022S · 25 OCT 2026
$33.99Was $3,400 - 055
RCAWD Arrma 1/18 GROM Losi 1/12 Motor Gear 16T 17T 18T 19T 20T 21T 22T 40CrMoRCAWDSKU D8-ARA311208S · 25 OCT 2026
$34.99Was $3,500 - 056Traxxas 2421 21-Tooth Pinion Gear (48-Pitch) 3 mm Bore
RC Hobby ShopSKU 2421 · 26 OCT 2026
$3 - 057
Traxxas 1221 Tom Cat White Rear Wheels (2)RC Hobby ShopSKU 1221 · 26 OCT 2026
$3.95 - 058
Traxxas 9721 TRX-4M Defender Replica Fuel Canisters & JackRC Hobby ShopSKU 9721 · 26 OCT 2026
$4 - 059
Traxxas 3951X 21-Tooth HD Pinion Gear (32-Pitch) 3 mm BoreRC Hobby ShopSKU 3951X · 26 OCT 2026
$5.95 - 060
Traxxas 6721T Rustler 4X4 Orange Rear Wing with ScrewsRC Hobby ShopSKU 6721T · 26 OCT 2026
$6 - 061
Traxxas 9121 TRX-4 1969 Chevrolet Blazer Chrome Side MirrorsRC Hobby ShopSKU 9121 · 26 OCT 2026
$7 - 062
Traxxas 6493X 21-Tooth Pinion Gear (1.0 Mod) 5 mm BoreRC Hobby ShopSKU 6493X · 26 OCT 2026
$7 - 063
Steel 32p Pinion 21 TeethFast RC PartsSKU RRP0210
$11.98 - 064
Hardened 48P Absolute Pinion 21 TeethFast RC PartsSKU RRP1421
$12.34 - 065
Gear, 21-T pinion (32-p) (mach. steel)/ set screwFast RC PartsSKU TRA3951
$12.69Was $10.69 - 066
Hard Nickel Plated 48p Pinion 21 TeethFast RC PartsSKU RRP1021
$12.86 - 067
Clutch Bell 21 Tooth Gt2Fast RC PartsSKU ASC7967
$12.99 - 068
Traxxas 9221 TRX-4 Ford Bronco Tail Light Assemblies (2)RC Hobby ShopSKU 9221 · 26 OCT 2026
$15 - 069
Traxxas 5421 Throttle Bellcrank MountsRC Hobby ShopSKU 5421 · 26 OCT 2026
$15 - 070
INJORA 1.0" Swamp Claw M/T Tires (56mm/64mm) (T1021/T1019) (4) — 64mm*24mmINJORASKU YQT-1019 · 25 OCT 2026
$15.99 - 071
INJORA 1.0" Swamp Claw M/T Tires (56mm/64mm) (T1021/T1019) (4) — 56mm*23mmINJORASKU YQT-1021 · 25 OCT 2026
$15.99 - 072
Traxxas 7821T XRT Orange High-Downforce Wing with HardwareRC Hobby ShopSKU 7821T · 26 OCT 2026
$16 - 073
.21 to .28 class engine Front bearing dirt shieldFast RC PartsSKU EAC100C
$16.16 - 074
Extra Hard 21 Tooth Blackened Steel 32p Pinion 5mmFast RC PartsSKU RRP8621
$17.78 - 075
Extra Hard 5mm Bore (1.0 Mod) Pinion 21 TeethFast RC PartsSKU RRP1221
$18.89 - 076
Traxxas 10530 Titan Drift 21-Turn Brushed MotorRC Hobby ShopSKU 10530 · 26 OCT 2026
$19.95 - 077
Traxxas 3975 Titan 21-Turn Brushed MotorRC Hobby ShopSKU 3975 · 26 OCT 2026
$19.95 - 078
Traxxas 3975R Titan 21-Turn Reverse Rotation Brushed MotorRC Hobby ShopSKU 3975R · 26 OCT 2026
$19.95 - 079
TAM54821 T3-01 a Parts (Gearbox) (Semi-Gloss chrome Plated)Fast RC PartsSKU TAM54821
$20.99 - 080
Aluminum Motor Mount 13 - 21 T Grom MTFast RC PartsSKU GRM18QV06
$22.99 - 081
Two Way Wrench 20 21 T 1.5 ModFast RC PartsSKU SDC80201
$23.99 - 082
Traxxas 4921 T-Maxx Clear BodyRC Hobby ShopSKU 4921 · 26 OCT 2026
$24.95 - 083
[Germany Clearance Deal] INJORA 540 3-Slot Waterproof Brushed Motor 13T 21T 35T 45T 55T 80T for 1/10 RC CrawlerINJORASKU RHHK-DE-AMZ_CRAW18178_80T · 25 OCT 2026
$8.79Out of stock - 084
48 Pitch, 21t, Ss Machined Aluminum Pinion GearFast RC PartsSKU JCO2107
$14.11Out of stock