Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

SPIETH AMERICA

Products

Products

SPIETH AMERICA

BASE EXTENSIONS - SIMONE BILES

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$121.00

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Purchase at SPIETH AMERICA

Description

The Base Extensions connect to the base of the AdjustableÂ Bar (SB-BAR). They will give the base an additional 4ft to help with stability. Set of 4 (two for each base).

ITEM NO: SB-BAREXT

Delivery & Returns

Visit SPIETH AMERICA for full shipping details

Shipping calculated at checkout

SPIETH AMERICA

You might also like

ADJUSTABLE TRAINING BAR - SIMONE BILES

SPIETH AMERICA

ADJUSTABLE TRAINING BAR - SIMONE BILES

SPIETH AMERICA

SIMONE BILES MULTI-PURPOSE MAT

SPIETH CANADA

BASE EXTENSIONS - SIMONE BILES

SPIETH AMERICA

THROW MAT 4'6"X8X4"

STING MAT 2MX3MX5CM

SPIETH AMERICA

STING MAT 2MX3MX5CM

Carolina Gym Supply

Spieth America Competition Low Profile Training Beams

Multi-Purpose Mat

SPIETH CANADA

SIMONE BILES MULTI-PURPOSE MAT

SPIETH AMERICA

TRAPEZOID-4 SECTIONS JFK

6M Finished Climbing Rope/33MM

SPIETH AMERICA

6M FINISHED CLIMBING ROPE/33MM

BaseBlocks

THE WALL BARS

(3)

SPIETH AMERICA

JUNIOR TRAINING BAR JFK

BaseBlocks

THE MINI BARS DELUXE

(32)

black olympic bar landmine attachment for a 3x3 upright angled view

Exclusive offer available

Synergy Custom Fitness

Olympic Bar Landmine | for 3x3 Upright Attachment

(28)

BaseBlocks

THE SPLIT BARS

(1)

SPIETH AMERICA

TRAINING MAT 5X10X8" - SIMONE BILES

SPIETH AMERICA

FLOOR BALANCE BEAM - SIMONE BILES

Panel Mat: 4' X 8' X 1 3/8"

SPIETH AMERICA

PANEL MAT 4x8x1 3/8" - NASTIA LIUKIN

BEAM LEG BRACES - SIMONE BILES

SPIETH AMERICA

BEAM LEG BRACES - SIMONE BILES

SPIETH AMERICA

BLUE 2" PANEL MATS- VELCRO 4 SIDES

SPIETH AMERICA

AMERICAN NATURAL FIBER COMPETITION RAIL - CLEVIS & PIN STYLE

SPIETH AMERICA

PORTABLE PIROUETTE BAR

Small Removable Protection Pad

SPIETH AMERICA

SMALL REMOVABLE PROTECTION PAD 42" X4" X5/8"

Landing mat

SPIETH AMERICA

LANDING MAT 6X7.5X12CM

Court-ready carryalls

Court-ready carryalls

Duffels, wet-dry bags, and pouches.

landmine home base

Sorinex

Landmine™ Home Base

BaseBlocks

THE RING RACK

(7)

Z Athletic

Bar Extension Kit

Freestanding Uneven Bars

SPIETH CANADA

FREESTANDING UNEVEN BARS "CLUB" WITH FIBERFLEX-PRO RAILS

Campus commuter gear

Campus commuter gear

Locks, panniers, lights, and rain shells.

MAXIMIZER PADDING (SET OF 4)

SPIETH AMERICA

MAXIMIZER PADDING (SET OF 4)

6-Axis Tie-Down System

SPIETH AMERICA

6-AXIS TIE-DOWN SYSTEM

SPIETH AMERICA

BLUE 2" PANEL MATS- VELCRO ENDS ONLY

SPIETH AMERICA

12' STEEL LOW TRAINING BEAM

SPIETH AMERICA

JFK PARALLEL BAR (W. FIBERGLASS RAIL)

Soft Spot Mat 4'x6'x2"

SPIETH AMERICA

SOFT SPOT MAT 4'X6'X2"

BaseBlocks

THE B-BARS PRO

(27)

SPIETH AMERICA

FLOOR BALANCE BEAM- MAGGIE NICHOLS

BaseBlocks

THE B-BARS

(1)

SPIETH CANADA

FREESTANDING BAR 20CM MAT SYSTEM (SET OF 3)

The Bells of Steel Split Squat Leg Roller Rack Attachment is a black cylindrical punching bag designed for indoor wall installation, featuring a metal bracket and mount for versatile workouts.

Bells of Steel USA

Split Squat Leg Roller Rack Attachment

(30)

The Bells of Steel Tibialis Trainer Bar features foam rollers and a cylindrical attachment to anchor feet or legs during sit-ups or strength training, helping with workouts and knee injury prevention.

Exclusive offer available

Bells of Steel USA

Tibialis Trainer Bar

(11)

black olympic bar landmine attachment for a 2x3 base

Exclusive offer available

Synergy Custom Fitness

Olympic Bar Landmine | For 2x3 Base Attachment

(11)

SPIETH AMERICA

ADJUSTABLE TRAINING BAR- MAGGIE NICHOLS

SPIETH AMERICA

INCLINES

SPIETH AMERICA

BLUE 1 1/4" PANEL MATS - VELCRO ENDS ONLY

SPIETH AMERICA

NON-FOLD VAULT SAFETY ZONE

Backyard golf training

Backyard golf training

Practice nets, hitting mats, and putting mats.

Parellets Set

SPIETH AMERICA

HEAVY DUTY PARELLETS SET (PAIR)

PROTECTIVE COVER FOR 5m BALANCE BEAM TOP

SPIETH AMERICA

PROTECTIVE COVER FOR 5m BALANCE BEAM TOP

Carolina Gym Supply Bar Straps

Carolina Gym Supply

Bar Straps

Tumbl Trak Frame Bar

SPIETH AMERICA

TUMBL TRAK FRAME BAR

Tumbl Trak Quick Flex Bar in Bag

SPIETH AMERICA

TUMBL TRAK QUICK FLEX BAR IN BAG

The Bells of Steel Adjustable Pull-up Bar Rack Attachment is a black 6-gauge steel bar with rectangular mounts and bolts for easy installation, perfect for structural support or mounting. Shown against a plain white background.

Bells of Steel USA

Adjustable Pull-up Bar Rack Attachment

(37)

BaseBlocks

THE BIG BAR PLUS

BaseBlocks

THE BIG BAR PLUS

(69)

SPIETH CANADA

SMALL MOUNTING BLOCK 36" X 24" X 9"

SPIETH AMERICA

ADJUSTABLE TRAINING BAR - NASTIA LIUKIN

Gravity Locking Load Binded

SPIETH AMERICA

GRAVITY LOCKING LOAD BINDER

FLOOR P BAR TRAINER

SPIETH AMERICA

FLOOR P BAR TRAINER

SPIETH AMERICA

PERFORMANCE SERIES COMPETITION CRANK BEAM

SPIETH AMERICA

MAXIMIZERS (SET OF 4)

SPIETH CANADA

FLOOR BALANCE BEAM - SIMONE BILES

SPIETH AMERICA

REMOVABLE BEAM COVER

COMP. BALANCE BEAM "SOFT TOUCH"

SPIETH AMERICA

COMP. BALANCE BEAM "SOFT TOUCH"

Midwest Bar Straps (Set of 10)

Midwest Gym Supply

Gymnastics Straps | Bar Straps Set

SPIETH CANADA

METHODICAL HORIZONTAL BAR

SPIETH CANADA

JUNIOR TRAINING BAR

Bells of Steel - Landmine Rack Attachment - 306 Fitness Repair & Sales

6% off

306 Fitness Repair & Sales

Bells of Steel - Landmine Rack Attachment

SPIETH CANADA

GYMNASTICS PIT MODULE 5X10X24"

The Bells of Steel Tricep Rope Extension features a black twisted rope with rubberized ends and a central metal hook, perfect for tricep workouts and extensions, shown isolated on a white background.

Bells of Steel USA

Tricep Rope Extension

(21)

SPIETH AMERICA

MULTI-PURPOSE MATS

SPIETH AMERICA

BEAM SURFACE EXPANDER

Laser Beam Pro

SPIETH AMERICA

LASER BEAM PRO

Adjustable Training Bar - Simone Biles

SPIETH CANADA

ADJUSTABLE TRAINING BAR - SIMONE BILES

SPIETH AMERICA

16' ALUMINUM LOW TRAINING BEAM

SPIETH AMERICA

JFK UNEVEN BAR (W. FIBERGLASS RAIL) JFK

Bern Exclusive Uneven Bars

SPIETH AMERICA

COMPETITION UNEVEN BARS "MUNICH"

BaseBlocks

THE SPLIT BARS

(7)

BaseBlocks

THE MINIMALIST RINGS

STEEL RAIL (FOR 5176)

SPIETH AMERICA

ADJUSTABLE SINGLE BAR STEEL RAIL

SPIETH AMERICA

BLACK BALL KNOBS - 1-3/4" (PR)

(1)

30% off

Until Times Up

Home Gym Gymnastics Training Bar Adjustable Height Horizontal Bar

BaseBlocks

THE B-BARS PRO

Exclusive offer available

Bells of Steel USA

Gymnastics Rings

(8)