X-Caliber Frame Set

Trek Electra brand Bontrager brand Trek Travel

You're building a mountain bike for fast rides on singletrack rides or XC races, and you're looking for all the speed you can get for your money. Or you're setting up a rugged commuter and need rack mounts and the durability to get rad on the way to work or class.

A lightweight Alpha Gold Aluminium frame with short chainstays for agility on winding XC singletrack trails, rack and kickstand mounts for carrying your gear if your MTB doubles as your rugged commuter and an included headset. Boost141 spacing.

Quick, nimble, efficient and affordable. X-Caliber frame set gives you an exceptional amount of speed, durability, and performance in a high-value hardtail mountain bike frame you can spec exactly the way you want.

It gets you into the world of cross-country riding and racing at a great price, and it's a mountain bike that can grow with you as your skills advance
The sleek internal cable routing gives you clean looks, protects your cables and makes it easy to upgrade to a dropper post for even more capability
The frame is fully compatible with higher-end parts, like race wheels and a dropper post
Mounts on the frame make it easy to add a rear rack if your XC bike doubles as your daily commuter

greydark-0 swatch

€619.00

black-0 swatch

Bontrager Pro sadelstolpe

959,00 SEK - 1 199,00 SEK 1 199,00 SEK

Bontrager TLR-däcktätning

349,00 SEK

black-0 swatch

Bontrager Kovee Elite 35 mountainbike-styre

749,00 SEK

black-0 swatch

Bontrager Rapid Pack

599,00 SEK

black-0 swatch

Bontrager Bat Cage flaskställ

159,00 SEK 199,00 SEK

black-0 swatch

Bontrager Pro Flat väska

569,00 SEK

black-0 swatch

Bontrager Line Pro Carbon 35 mountainbike-styre

1 999,00 SEK

black-0 swatch

Trek Kovee Comp klickpedal, par

849,00 SEK

Trek Line Elite platt pedal, par

599,00 SEK

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The Alpha Gold Aluminuum frame is packed with features that make your ride better. A tapered head tube gives you more precise, confident handling on the front end, while Boost 141 rear hub spacing gives you shorter chainstays for more nimble handling at the back.

The right wheel size paired with your frame size gives you the perfect combination of responsiveness and control.

We route shift and brake cables through the frame to keep things clean and simple. And it looks great, too.

Going for a long ride? Rack mounts make carrying accessories a breeze.

Chainstay mounts make it easy to install a rear kickstand that stays out of your way and supports bikes of all sizes. No more laying or leaning.

Internal routing ports make it easy to add a dropper post upgrade that lets you lower your saddle on the fly so it's out of your way for tricky sections of trail.

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*Please note – spec applies to all sizes unless listed separately

Frame	Alpha Gold Aluminium, tapered head tube, internal derailleur and dropper post routing, rack and kickstand mount, Boost141, 5 mm QR
Max compatible fork travel	120mm, XS: 100mm

Max tyre size	27.5x2.80" or 29x2.40"

Max. chainring size	1x: 32T

Head set	Semi-integrated, loose ball bearing, 1-1/8" top, 1.5" bottom

Weight	M - 2.17 kg / 4.78 lb
Weight limit	This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. The prices shown are the manufacturer's suggested retail prices.

Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.

How tall are you?

To measure your height, stand up straight, barefoot, with your back, heels, shoulders and head all touching a wall. While looking straight ahead, place a book or straight edge on your head and slowly push it against the wall. Your straight edge should be parallel with the floor. Mark the spot where the bottom of the book is touching the wall. The distance from the marked spot to the floor is your height.

What is your inside leg?

How to measure: Stand barefoot with your back straight and against a wall. Tuck a ruler or something that extends to the floor between your legs. Using both hands, and keeping it level, pull the ruler up into your crotch as if you were sitting on the saddle. Measure the distance from the top edge of the ruler to the ground to find your inside leg measurement. Your inside leg is very important to your final bike size so please measure carefully.

size-table
Size	Cyklistens längd	Beninnerlängd
XS	145 - 155 cm 4'9" - 5'1"	69 - 73 cm 27" - 29"
S	155 - 165 cm 5'1" - 5'5"	74 - 78 cm 29" - 31"
M	165 - 176 cm 5'5" - 5'9"	79 - 83 cm 31" - 33"
L	177 - 188 cm 5'10" - 6'2"	84 - 89 cm 33" - 35"
XL	188 - 195 cm 6'2" - 6'5"	89 - 91 cm 35" - 36"
2XL	195 - 203 cm 6'5" - 6'8"	91 - 97 cm 36" - 38"

All measurements provided in cm unless otherwise stated.

Sizing table
Frame size number	Frame size letter	Wheel size	A — Seat tube	B — Seat tube angle	Effective seat tube angle	C — Head tube length	D — Head angle	E — Effective top tube	F — Bottom bracket height	G — Bottom bracket drop	H — Chainstay length	I — Offset	J — Trail	K — Wheelbase	L — Standover	M — Frame reach	N — Frame stack
13.5"	XS	27.5"	34.3	73.5°	73.5°	9.0	69.3°	54.4	29.2	5.8	42.5	4.2	8.8	103.6	69.8	37.6	56.5
15.5"	S	27.5"	36.8	73.5°	73.5°	9.0	69.3°	55.5	30.2	4.8	42.5	4.2	8.8	105.3	72.4	38.5	57.4
17.5"	M	29"	41.9	71.9°	73.0°	9.0	69.5°	60.1	31.1	5.8	43.8	4.2	9.4	110.9	74.8	41.8	59.8

X-Caliber Frame Set

Model 28470

References

Vanliga frågor – 2020 X-Caliber
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Guide - Kompatibilitetstabell för Bontrager skärmar, pakethållare och cykelstöd
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X-Caliber Frame Set